20121708440

素因数分解:

$2^3\times 5^1\times {\mathrm{503042711}}^1$

素因数の和:503042722

約数の個数: 16

約数和(自身を含む): 45273844080

約数和(自身を除く): 25152135640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503042711, 1006085422, 2012170844, 2515213555, 4024341688, 5030427110, 10060854220, 20121708440]

約数ペア:

[(1, 20121708440), (2, 10060854220), (4, 5030427110), (5, 4024341688), (8, 2515213555), (10, 2012170844), (20, 1006085422), (40, 503042711)]