20660570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9521}}^1$

素因数の和:9566

約数の個数: 32

約数和(自身を含む): 43877376

約数和(自身を除く): 23216806

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9521, 19042, 47605, 66647, 95210, 133294, 295151, 333235, 590302, 666470, 1475755, 2066057, 2951510, 4132114, 10330285, 20660570]

約数ペア:

[(1, 20660570), (2, 10330285), (5, 4132114), (7, 2951510), (10, 2066057), (14, 1475755), (31, 666470), (35, 590302), (62, 333235), (70, 295151), (155, 133294), (217, 95210), (310, 66647), (434, 47605), (1085, 19042), (2170, 9521)]