20406055

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1511}}^1$

素因数の和:1626

約数の個数: 16

約数和(自身を含む): 25510464

約数和(自身を除く): 5104409

約数列:

[1, 5, 37, 73, 185, 365, 1511, 2701, 7555, 13505, 55907, 110303, 279535, 551515, 4081211, 20406055]

約数ペア:

[(1, 20406055), (5, 4081211), (37, 551515), (73, 279535), (185, 110303), (365, 55907), (1511, 13505), (2701, 7555)]