20349701620

素因数分解:

$2^2\times 5^1\times {\mathrm{17791}}^1\times {\mathrm{57191}}^1$

素因数の和:74991

約数の個数: 24

約数和(自身を含む): 42737522688

約数和(自身を除く): 22387821068

約数列:

[1, 2, 4, 5, 10, 20, 17791, 35582, 57191, 71164, 88955, 114382, 177910, 228764, 285955, 355820, 571910, 1143820, 1017485081, 2034970162, 4069940324, 5087425405, 10174850810, 20349701620]

約数ペア:

[(1, 20349701620), (2, 10174850810), (4, 5087425405), (5, 4069940324), (10, 2034970162), (20, 1017485081), (17791, 1143820), (35582, 571910), (57191, 355820), (71164, 285955), (88955, 228764), (114382, 177910)]