20415512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{196303}}^1$

素因数の和:196322

約数の個数: 16

約数和(自身を含む): 41223840

約数和(自身を除く): 20808328

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 196303, 392606, 785212, 1570424, 2551939, 5103878, 10207756, 20415512]

約数ペア:

[(1, 20415512), (2, 10207756), (4, 5103878), (8, 2551939), (13, 1570424), (26, 785212), (52, 392606), (104, 196303)]