20005930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1579}}^1$

素因数の和:1774

約数の個数: 32

約数和(自身を含む): 41408640

約数和(自身を除く): 21402710

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 181, 362, 905, 1267, 1579, 1810, 2534, 3158, 6335, 7895, 11053, 12670, 15790, 22106, 55265, 110530, 285799, 571598, 1428995, 2000593, 2857990, 4001186, 10002965, 20005930]

約数ペア:

[(1, 20005930), (2, 10002965), (5, 4001186), (7, 2857990), (10, 2000593), (14, 1428995), (35, 571598), (70, 285799), (181, 110530), (362, 55265), (905, 22106), (1267, 15790), (1579, 12670), (1810, 11053), (2534, 7895), (3158, 6335)]