201516020

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{10313}}^1$

素因数の和:11299

約数の個数: 24

約数和(自身を含む): 423657864

約数和(自身を除く): 222141844

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3908, 4885, 9770, 10313, 19540, 20626, 41252, 51565, 103130, 206260, 10075801, 20151602, 40303204, 50379005, 100758010, 201516020]

約数ペア:

[(1, 201516020), (2, 100758010), (4, 50379005), (5, 40303204), (10, 20151602), (20, 10075801), (977, 206260), (1954, 103130), (3908, 51565), (4885, 41252), (9770, 20626), (10313, 19540)]