9905620

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{947}}^1$

素因数の和:1479

約数の個数: 24

約数和(自身を含む): 20863584

約数和(自身を除く): 10957964

約数列:

[1, 2, 4, 5, 10, 20, 523, 947, 1046, 1894, 2092, 2615, 3788, 4735, 5230, 9470, 10460, 18940, 495281, 990562, 1981124, 2476405, 4952810, 9905620]

約数ペア:

[(1, 9905620), (2, 4952810), (4, 2476405), (5, 1981124), (10, 990562), (20, 495281), (523, 18940), (947, 10460), (1046, 9470), (1894, 5230), (2092, 4735), (2615, 3788)]