20961536

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{2213}}^1$

素因数の和:2266

約数の個数: 36

約数和(自身を含む): 42991452

約数和(自身を除く): 22029916

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 592, 1184, 2213, 2368, 4426, 4736, 8852, 9472, 17704, 35408, 70816, 81881, 141632, 163762, 283264, 327524, 566528, 655048, 1310096, 2620192, 5240384, 10480768, 20961536]

約数ペア:

[(1, 20961536), (2, 10480768), (4, 5240384), (8, 2620192), (16, 1310096), (32, 655048), (37, 566528), (64, 327524), (74, 283264), (128, 163762), (148, 141632), (256, 81881), (296, 70816), (592, 35408), (1184, 17704), (2213, 9472), (2368, 8852), (4426, 4736)]