20877350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32119}}^1$

素因数の和:32144

約数の個数: 24

約数和(自身を含む): 41820240

約数和(自身を除く): 20942890

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 32119, 64238, 160595, 321190, 417547, 802975, 835094, 1605950, 2087735, 4175470, 10438675, 20877350]

約数ペア:

[(1, 20877350), (2, 10438675), (5, 4175470), (10, 2087735), (13, 1605950), (25, 835094), (26, 802975), (50, 417547), (65, 321190), (130, 160595), (325, 64238), (650, 32119)]