20492042960

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4833029}}^1$

素因数の和:4833095

約数の個数: 40

約数和(自身を含む): 48542953320

約数和(自身を除く): 28050910360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 4833029, 9666058, 19332116, 24165145, 38664232, 48330290, 77328464, 96660580, 193321160, 256150537, 386642320, 512301074, 1024602148, 1280752685, 2049204296, 2561505370, 4098408592, 5123010740, 10246021480, 20492042960]

約数ペア:

[(1, 20492042960), (2, 10246021480), (4, 5123010740), (5, 4098408592), (8, 2561505370), (10, 2049204296), (16, 1280752685), (20, 1024602148), (40, 512301074), (53, 386642320), (80, 256150537), (106, 193321160), (212, 96660580), (265, 77328464), (424, 48330290), (530, 38664232), (848, 24165145), (1060, 19332116), (2120, 9666058), (4240, 4833029)]