20139260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43781}}^1$

素因数の和:43813

約数の個数: 24

約数和(自身を含む): 44132256

約数和(自身を除く): 23992996

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43781, 87562, 175124, 218905, 437810, 875620, 1006963, 2013926, 4027852, 5034815, 10069630, 20139260]

約数ペア:

[(1, 20139260), (2, 10069630), (4, 5034815), (5, 4027852), (10, 2013926), (20, 1006963), (23, 875620), (46, 437810), (92, 218905), (115, 175124), (230, 87562), (460, 43781)]