20170565

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1613}}^1$

素因数の和:1720

約数の個数: 16

約数和(自身を含む): 25217136

約数和(自身を除く): 5046571

約数列:

[1, 5, 41, 61, 205, 305, 1613, 2501, 8065, 12505, 66133, 98393, 330665, 491965, 4034113, 20170565]

約数ペア:

[(1, 20170565), (5, 4034113), (41, 491965), (61, 330665), (205, 98393), (305, 66133), (1613, 12505), (2501, 8065)]