20945945408

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{2577011}}^1$

素因数の和:2577150

約数の個数: 28

約数和(自身を含む): 41891907072

約数和(自身を除く): 20945961664

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064, 8128, 2577011, 5154022, 10308044, 20616088, 41232176, 82464352, 164928704, 327280397, 654560794, 1309121588, 2618243176, 5236486352, 10472972704, 20945945408]

約数ペア:

[(1, 20945945408), (2, 10472972704), (4, 5236486352), (8, 2618243176), (16, 1309121588), (32, 654560794), (64, 327280397), (127, 164928704), (254, 82464352), (508, 41232176), (1016, 20616088), (2032, 10308044), (4064, 5154022), (8128, 2577011)]