20267650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31181}}^1$

素因数の和:31206

約数の個数: 24

約数和(自身を含む): 40598964

約数和(自身を除く): 20331314

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31181, 62362, 155905, 311810, 405353, 779525, 810706, 1559050, 2026765, 4053530, 10133825, 20267650]

約数ペア:

[(1, 20267650), (2, 10133825), (5, 4053530), (10, 2026765), (13, 1559050), (25, 810706), (26, 779525), (50, 405353), (65, 311810), (130, 155905), (325, 62362), (650, 31181)]