20740702

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{503}}^1$

素因数の和:947

約数の個数: 16

約数和(自身を含む): 31842720

約数和(自身を除く): 11102018

約数列:

[1, 2, 53, 106, 389, 503, 778, 1006, 20617, 26659, 41234, 53318, 195667, 391334, 10370351, 20740702]

約数ペア:

[(1, 20740702), (2, 10370351), (53, 391334), (106, 195667), (389, 53318), (503, 41234), (778, 26659), (1006, 20617)]