20855715480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{8803}}^1\times {\mathrm{6581}}^1$

素因数の和:15401

約数の個数: 96

約数和(自身を含む): 67799075760

約数和(自身を除く): 46943360280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 6581, 8803, 13162, 17606, 19743, 26324, 26409, 32905, 35212, 39486, 44015, 52648, 52818, 59229, 65810, 70424, 78972, 79227, 88030, 98715, 105636, 118458, 131620, 132045, 157944, 158454, 176060, 197430, 211272, 236916, 263240, 264090, 296145, 316908, 352120, 394860, 396135, 473832, 528180, 592290, 633816, 789720, 792270, 1056360, 1184580, 1584540, 2369160, 3169080, 57932543, 115865086, 173797629, 231730172, 289662715, 347595258, 463460344, 521392887, 579325430, 695190516, 868988145, 1042785774, 1158650860, 1390381032, 1737976290, 2085571548, 2317301720, 2606964435, 3475952580, 4171143096, 5213928870, 6951905160, 10427857740, 20855715480]

約数ペア:

[(1, 20855715480), (2, 10427857740), (3, 6951905160), (4, 5213928870), (5, 4171143096), (6, 3475952580), (8, 2606964435), (9, 2317301720), (10, 2085571548), (12, 1737976290), (15, 1390381032), (18, 1158650860), (20, 1042785774), (24, 868988145), (30, 695190516), (36, 579325430), (40, 521392887), (45, 463460344), (60, 347595258), (72, 289662715), (90, 231730172), (120, 173797629), (180, 115865086), (360, 57932543), (6581, 3169080), (8803, 2369160), (13162, 1584540), (17606, 1184580), (19743, 1056360), (26324, 792270), (26409, 789720), (32905, 633816), (35212, 592290), (39486, 528180), (44015, 473832), (52648, 396135), (52818, 394860), (59229, 352120), (65810, 316908), (70424, 296145), (78972, 264090), (79227, 263240), (88030, 236916), (98715, 211272), (105636, 197430), (118458, 176060), (131620, 158454), (132045, 157944)]