20005200310

素因数分解:

$2^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{3977177}}^1$

素因数の和:3977687

約数の個数: 16

約数和(自身を含む): 36080958816

約数和(自身を除く): 16075758506

約数列:

[1, 2, 5, 10, 503, 1006, 2515, 5030, 3977177, 7954354, 19885885, 39771770, 2000520031, 4001040062, 10002600155, 20005200310]

約数ペア:

[(1, 20005200310), (2, 10002600155), (5, 4001040062), (10, 2000520031), (503, 39771770), (1006, 19885885), (2515, 7954354), (5030, 3977177)]