20368835

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 25002432

約数和(自身を除く): 4633597

約数列:

[1, 5, 71, 181, 317, 355, 905, 1585, 12851, 22507, 57377, 64255, 112535, 286885, 4073767, 20368835]

約数ペア:

[(1, 20368835), (5, 4073767), (71, 286885), (181, 112535), (317, 64255), (355, 57377), (905, 22507), (1585, 12851)]