20951288405

素因数分解:

$5^1\times {\mathrm{349}}^1\times {\mathrm{569}}^1\times {\mathrm{21101}}^1$

素因数の和:22024

約数の個数: 16

約数和(自身を含む): 25259094000

約数和(自身を除く): 4307805595

約数列:

[1, 5, 349, 569, 1745, 2845, 21101, 105505, 198581, 992905, 7364249, 12006469, 36821245, 60032345, 4190257681, 20951288405]

約数ペア:

[(1, 20951288405), (5, 4190257681), (349, 60032345), (569, 36821245), (1745, 12006469), (2845, 7364249), (21101, 992905), (105505, 198581)]