20221578440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72219923}}^1$

素因数の和:72219941

約数の個数: 32

約数和(自身を含む): 51998345280

約数和(自身を除く): 31776766840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72219923, 144439846, 288879692, 361099615, 505539461, 577759384, 722199230, 1011078922, 1444398460, 2022157844, 2527697305, 2888796920, 4044315688, 5055394610, 10110789220, 20221578440]

約数ペア:

[(1, 20221578440), (2, 10110789220), (4, 5055394610), (5, 4044315688), (7, 2888796920), (8, 2527697305), (10, 2022157844), (14, 1444398460), (20, 1011078922), (28, 722199230), (35, 577759384), (40, 505539461), (56, 361099615), (70, 288879692), (140, 144439846), (280, 72219923)]