20816017201

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{388163}}^1$

素因数の和:388380

約数の個数: 16

約数和(自身を含む): 24445016064

約数和(自身を除く): 3628998863

約数列:

[1, 7, 47, 163, 329, 1141, 7661, 53627, 388163, 2717141, 18243661, 63270569, 127705627, 442893983, 2973716743, 20816017201]

約数ペア:

[(1, 20816017201), (7, 2973716743), (47, 442893983), (163, 127705627), (329, 63270569), (1141, 18243661), (7661, 2717141), (53627, 388163)]