20120149510

素因数分解:

$2^1\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{1124659}}^1$

素因数の和:1126455

約数の個数: 16

約数和(自身を含む): 36236545200

約数和(自身を除く): 16116395690

約数列:

[1, 2, 5, 10, 1789, 3578, 8945, 17890, 1124659, 2249318, 5623295, 11246590, 2012014951, 4024029902, 10060074755, 20120149510]

約数ペア:

[(1, 20120149510), (2, 10060074755), (5, 4024029902), (10, 2012014951), (1789, 11246590), (3578, 5623295), (8945, 2249318), (17890, 1124659)]