20874828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{133813}}^1$

素因数の和:133833

約数の個数: 24

約数和(自身を含む): 52455088

約数和(自身を除く): 31580260

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 133813, 267626, 401439, 535252, 802878, 1605756, 1739569, 3479138, 5218707, 6958276, 10437414, 20874828]

約数ペア:

[(1, 20874828), (2, 10437414), (3, 6958276), (4, 5218707), (6, 3479138), (12, 1739569), (13, 1605756), (26, 802878), (39, 535252), (52, 401439), (78, 267626), (156, 133813)]