15602020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{111443}}^1$

素因数の和:111459

約数の個数: 24

約数和(自身を含む): 37445184

約数和(自身を除く): 21843164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 111443, 222886, 445772, 557215, 780101, 1114430, 1560202, 2228860, 3120404, 3900505, 7801010, 15602020]

約数ペア:

[(1, 15602020), (2, 7801010), (4, 3900505), (5, 3120404), (7, 2228860), (10, 1560202), (14, 1114430), (20, 780101), (28, 557215), (35, 445772), (70, 222886), (140, 111443)]