20120592016

素因数分解:

$2^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{851413}}^1$

素因数の和:851639

約数の個数: 40

約数和(自身を含む): 44763942464

約数和(自身を除く): 24643350448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 211, 422, 844, 1477, 1688, 2954, 3376, 5908, 11816, 23632, 851413, 1702826, 3405652, 5959891, 6811304, 11919782, 13622608, 23839564, 47679128, 95358256, 179648143, 359296286, 718592572, 1257537001, 1437185144, 2515074002, 2874370288, 5030148004, 10060296008, 20120592016]

約数ペア:

[(1, 20120592016), (2, 10060296008), (4, 5030148004), (7, 2874370288), (8, 2515074002), (14, 1437185144), (16, 1257537001), (28, 718592572), (56, 359296286), (112, 179648143), (211, 95358256), (422, 47679128), (844, 23839564), (1477, 13622608), (1688, 11919782), (2954, 6811304), (3376, 5959891), (5908, 3405652), (11816, 1702826), (23632, 851413)]