20003684

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{601}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 35953848

約数和(自身を除く): 15950164

約数列:

[1, 2, 4, 53, 106, 157, 212, 314, 601, 628, 1202, 2404, 8321, 16642, 31853, 33284, 63706, 94357, 127412, 188714, 377428, 5000921, 10001842, 20003684]

約数ペア:

[(1, 20003684), (2, 10001842), (4, 5000921), (53, 377428), (106, 188714), (157, 127412), (212, 94357), (314, 63706), (601, 33284), (628, 31853), (1202, 16642), (2404, 8321)]