202980620

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{20177}}^1$

素因数の和:20689

約数の個数: 24

約数和(自身を含む): 427127904

約数和(自身を除く): 224147284

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 10060, 20177, 40354, 80708, 100885, 201770, 403540, 10149031, 20298062, 40596124, 50745155, 101490310, 202980620]

約数ペア:

[(1, 202980620), (2, 101490310), (4, 50745155), (5, 40596124), (10, 20298062), (20, 10149031), (503, 403540), (1006, 201770), (2012, 100885), (2515, 80708), (5030, 40354), (10060, 20177)]