20809330360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1103}}^1$

素因数の和:1278

約数の個数: 256

約数和(自身を含む): 59291688960

約数和(自身を除く): 38482358600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 73, 91, 104, 130, 140, 142, 146, 182, 260, 280, 284, 292, 355, 364, 365, 455, 497, 511, 520, 568, 584, 710, 728, 730, 910, 923, 949, 994, 1022, 1103, 1420, 1460, 1820, 1846, 1898, 1988, 2044, 2206, 2485, 2555, 2840, 2920, 3640, 3692, 3796, 3976, 4088, 4412, 4615, 4745, 4970, 5110, 5183, 5515, 6461, 6643, 7384, 7592, 7721, 8824, 9230, 9490, 9940, 10220, 10366, 11030, 12922, 13286, 14339, 15442, 18460, 18980, 19880, 20440, 20732, 22060, 25844, 25915, 26572, 28678, 30884, 32305, 33215, 36281, 36920, 37960, 38605, 41464, 44120, 51688, 51830, 53144, 57356, 61768, 64610, 66430, 67379, 71695, 72562, 77210, 78313, 80519, 100373, 103660, 114712, 129220, 132860, 134758, 143390, 145124, 154420, 156626, 161038, 181405, 200746, 207320, 258440, 265720, 269516, 286780, 290248, 308840, 313252, 322076, 336895, 362810, 391565, 401492, 402595, 471653, 501865, 539032, 548191, 563633, 573560, 626504, 644152, 673790, 725620, 783130, 802984, 805190, 943306, 1003730, 1018069, 1046747, 1096382, 1127266, 1347580, 1451240, 1566260, 1610380, 1886612, 2007460, 2036138, 2093494, 2192764, 2254532, 2358265, 2695160, 2740955, 2818165, 3132520, 3220760, 3773224, 4014920, 4072276, 4186988, 4385528, 4509064, 4716530, 5090345, 5233735, 5481910, 5636330, 5716849, 7126483, 7327229, 8144552, 8373976, 9433060, 10180690, 10467470, 10963820, 11272660, 11433698, 14252966, 14654458, 18866120, 20361380, 20934940, 21927640, 22545320, 22867396, 28505932, 28584245, 29308916, 35632415, 36636145, 40017943, 40722760, 41869880, 45734792, 57011864, 57168490, 58617832, 71264830, 73272290, 74319037, 80035886, 114336980, 142529660, 146544580, 148638074, 160071772, 200089715, 228673960, 285059320, 293089160, 297276148, 320143544, 371595185, 400179430, 520233259, 594552296, 743190370, 800358860, 1040466518, 1486380740, 1600717720, 2080933036, 2601166295, 2972761480, 4161866072, 5202332590, 10404665180, 20809330360]

約数ペア:

[(1, 20809330360), (2, 10404665180), (4, 5202332590), (5, 4161866072), (7, 2972761480), (8, 2601166295), (10, 2080933036), (13, 1600717720), (14, 1486380740), (20, 1040466518), (26, 800358860), (28, 743190370), (35, 594552296), (40, 520233259), (52, 400179430), (56, 371595185), (65, 320143544), (70, 297276148), (71, 293089160), (73, 285059320), (91, 228673960), (104, 200089715), (130, 160071772), (140, 148638074), (142, 146544580), (146, 142529660), (182, 114336980), (260, 80035886), (280, 74319037), (284, 73272290), (292, 71264830), (355, 58617832), (364, 57168490), (365, 57011864), (455, 45734792), (497, 41869880), (511, 40722760), (520, 40017943), (568, 36636145), (584, 35632415), (710, 29308916), (728, 28584245), (730, 28505932), (910, 22867396), (923, 22545320), (949, 21927640), (994, 20934940), (1022, 20361380), (1103, 18866120), (1420, 14654458), (1460, 14252966), (1820, 11433698), (1846, 11272660), (1898, 10963820), (1988, 10467470), (2044, 10180690), (2206, 9433060), (2485, 8373976), (2555, 8144552), (2840, 7327229), (2920, 7126483), (3640, 5716849), (3692, 5636330), (3796, 5481910), (3976, 5233735), (4088, 5090345), (4412, 4716530), (4615, 4509064), (4745, 4385528), (4970, 4186988), (5110, 4072276), (5183, 4014920), (5515, 3773224), (6461, 3220760), (6643, 3132520), (7384, 2818165), (7592, 2740955), (7721, 2695160), (8824, 2358265), (9230, 2254532), (9490, 2192764), (9940, 2093494), (10220, 2036138), (10366, 2007460), (11030, 1886612), (12922, 1610380), (13286, 1566260), (14339, 1451240), (15442, 1347580), (18460, 1127266), (18980, 1096382), (19880, 1046747), (20440, 1018069), (20732, 1003730), (22060, 943306), (25844, 805190), (25915, 802984), (26572, 783130), (28678, 725620), (30884, 673790), (32305, 644152), (33215, 626504), (36281, 573560), (36920, 563633), (37960, 548191), (38605, 539032), (41464, 501865), (44120, 471653), (51688, 402595), (51830, 401492), (53144, 391565), (57356, 362810), (61768, 336895), (64610, 322076), (66430, 313252), (67379, 308840), (71695, 290248), (72562, 286780), (77210, 269516), (78313, 265720), (80519, 258440), (100373, 207320), (103660, 200746), (114712, 181405), (129220, 161038), (132860, 156626), (134758, 154420), (143390, 145124)]