20103020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143593}}^1$

素因数の和:143609

約数の個数: 24

約数和(自身を含む): 48247584

約数和(自身を除く): 28144564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143593, 287186, 574372, 717965, 1005151, 1435930, 2010302, 2871860, 4020604, 5025755, 10051510, 20103020]

約数ペア:

[(1, 20103020), (2, 10051510), (4, 5025755), (5, 4020604), (7, 2871860), (10, 2010302), (14, 1435930), (20, 1005151), (28, 717965), (35, 574372), (70, 287186), (140, 143593)]