20111456

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{10303}}^1$

素因数の和:10374

約数の個数: 24

約数和(自身を含む): 40247424

約数和(自身を除く): 20135968

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 10303, 20606, 41212, 82424, 164848, 329696, 628483, 1256966, 2513932, 5027864, 10055728, 20111456]

約数ペア:

[(1, 20111456), (2, 10055728), (4, 5027864), (8, 2513932), (16, 1256966), (32, 628483), (61, 329696), (122, 164848), (244, 82424), (488, 41212), (976, 20606), (1952, 10303)]