20577772

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{853}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 37254896

約数和(自身を除く): 16677124

約数列:

[1, 2, 4, 37, 74, 148, 163, 326, 652, 853, 1706, 3412, 6031, 12062, 24124, 31561, 63122, 126244, 139039, 278078, 556156, 5144443, 10288886, 20577772]

約数ペア:

[(1, 20577772), (2, 10288886), (4, 5144443), (37, 556156), (74, 278078), (148, 139039), (163, 126244), (326, 63122), (652, 31561), (853, 24124), (1706, 12062), (3412, 6031)]