20853859160

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1\times {\mathrm{307}}^1$

素因数の和:753

約数の個数: 128

約数和(自身を含む): 48498912000

約数和(自身を除く): 27645052840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 107, 118, 214, 236, 269, 295, 307, 428, 472, 535, 538, 590, 614, 856, 1070, 1076, 1180, 1228, 1345, 1535, 2140, 2152, 2360, 2456, 2690, 3070, 4280, 5380, 6140, 6313, 10760, 12280, 12626, 15871, 18113, 25252, 28783, 31565, 31742, 32849, 36226, 50504, 57566, 63130, 63484, 65698, 72452, 79355, 82583, 90565, 115132, 126260, 126968, 131396, 143915, 144904, 158710, 164245, 165166, 181130, 230264, 252520, 262792, 287830, 317420, 328490, 330332, 362260, 412915, 575660, 634840, 656980, 660664, 724520, 825830, 1151320, 1313960, 1651660, 1698197, 1938091, 3303320, 3396394, 3876182, 4872397, 6792788, 7752364, 8490985, 8836381, 9690455, 9744794, 13585576, 15504728, 16981970, 17672762, 19380910, 19489588, 24361985, 33963940, 35345524, 38761820, 38979176, 44181905, 48723970, 67927880, 70691048, 77523640, 88363810, 97447940, 176727620, 194895880, 353455240, 521346479, 1042692958, 2085385916, 2606732395, 4170771832, 5213464790, 10426929580, 20853859160]

約数ペア:

[(1, 20853859160), (2, 10426929580), (4, 5213464790), (5, 4170771832), (8, 2606732395), (10, 2085385916), (20, 1042692958), (40, 521346479), (59, 353455240), (107, 194895880), (118, 176727620), (214, 97447940), (236, 88363810), (269, 77523640), (295, 70691048), (307, 67927880), (428, 48723970), (472, 44181905), (535, 38979176), (538, 38761820), (590, 35345524), (614, 33963940), (856, 24361985), (1070, 19489588), (1076, 19380910), (1180, 17672762), (1228, 16981970), (1345, 15504728), (1535, 13585576), (2140, 9744794), (2152, 9690455), (2360, 8836381), (2456, 8490985), (2690, 7752364), (3070, 6792788), (4280, 4872397), (5380, 3876182), (6140, 3396394), (6313, 3303320), (10760, 1938091), (12280, 1698197), (12626, 1651660), (15871, 1313960), (18113, 1151320), (25252, 825830), (28783, 724520), (31565, 660664), (31742, 656980), (32849, 634840), (36226, 575660), (50504, 412915), (57566, 362260), (63130, 330332), (63484, 328490), (65698, 317420), (72452, 287830), (79355, 262792), (82583, 252520), (90565, 230264), (115132, 181130), (126260, 165166), (126968, 164245), (131396, 158710), (143915, 144904)]