20436710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1613}}^1$

素因数の和:1808

約数の個数: 32

約数和(自身を含む): 42299712

約数和(自身を除く): 21863002

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 181, 362, 905, 1267, 1613, 1810, 2534, 3226, 6335, 8065, 11291, 12670, 16130, 22582, 56455, 112910, 291953, 583906, 1459765, 2043671, 2919530, 4087342, 10218355, 20436710]

約数ペア:

[(1, 20436710), (2, 10218355), (5, 4087342), (7, 2919530), (10, 2043671), (14, 1459765), (35, 583906), (70, 291953), (181, 112910), (362, 56455), (905, 22582), (1267, 16130), (1613, 12670), (1810, 11291), (2534, 8065), (3226, 6335)]