204535855

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{20903}}^1$

素因数の和:21030

約数の個数: 16

約数和(自身を含む): 260881920

約数和(自身を除く): 56346065

約数列:

[1, 5, 19, 95, 103, 515, 1957, 9785, 20903, 104515, 397157, 1985785, 2153009, 10765045, 40907171, 204535855]

約数ペア:

[(1, 204535855), (5, 40907171), (19, 10765045), (95, 2153009), (103, 1985785), (515, 397157), (1957, 104515), (9785, 20903)]