20016020

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3613}}^1$

素因数の和:3899

約数の個数: 24

約数和(自身を含む): 42197064

約数和(自身を除く): 22181044

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 3613, 5540, 7226, 14452, 18065, 36130, 72260, 1000801, 2001602, 4003204, 5004005, 10008010, 20016020]

約数ペア:

[(1, 20016020), (2, 10008010), (4, 5004005), (5, 4003204), (10, 2001602), (20, 1000801), (277, 72260), (554, 36130), (1108, 18065), (1385, 14452), (2770, 7226), (3613, 5540)]