1557362020

素因数分解:

$2^2\times 5^1\times {\mathrm{4723}}^1\times {\mathrm{16487}}^1$

素因数の和:21219

約数の個数: 24

約数和(自身を含む): 3271351104

約数和(自身を除く): 1713989084

約数列:

[1, 2, 4, 5, 10, 20, 4723, 9446, 16487, 18892, 23615, 32974, 47230, 65948, 82435, 94460, 164870, 329740, 77868101, 155736202, 311472404, 389340505, 778681010, 1557362020]

約数ペア:

[(1, 1557362020), (2, 778681010), (4, 389340505), (5, 311472404), (10, 155736202), (20, 77868101), (4723, 329740), (9446, 164870), (16487, 94460), (18892, 82435), (23615, 65948), (32974, 47230)]