20403272704

素因数分解:

$2^{10}\times {\mathrm{17}}^1\times {\mathrm{1172063}}^1$

素因数の和:1172100

約数の個数: 44

約数和(自身を含む): 43185870144

約数和(自身を除く): 22782597440

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1024, 1088, 2176, 4352, 8704, 17408, 1172063, 2344126, 4688252, 9376504, 18753008, 19925071, 37506016, 39850142, 75012032, 79700284, 150024064, 159400568, 300048128, 318801136, 600096256, 637602272, 1200192512, 1275204544, 2550409088, 5100818176, 10201636352, 20403272704]

約数ペア:

[(1, 20403272704), (2, 10201636352), (4, 5100818176), (8, 2550409088), (16, 1275204544), (17, 1200192512), (32, 637602272), (34, 600096256), (64, 318801136), (68, 300048128), (128, 159400568), (136, 150024064), (256, 79700284), (272, 75012032), (512, 39850142), (544, 37506016), (1024, 19925071), (1088, 18753008), (2176, 9376504), (4352, 4688252), (8704, 2344126), (17408, 1172063)]