20705325

素因数分解:

$3^1\times 5^2\times {\mathrm{359}}^1\times {\mathrm{769}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 34372800

約数和(自身を除く): 13667475

約数列:

[1, 3, 5, 15, 25, 75, 359, 769, 1077, 1795, 2307, 3845, 5385, 8975, 11535, 19225, 26925, 57675, 276071, 828213, 1380355, 4141065, 6901775, 20705325]

約数ペア:

[(1, 20705325), (3, 6901775), (5, 4141065), (15, 1380355), (25, 828213), (75, 276071), (359, 57675), (769, 26925), (1077, 19225), (1795, 11535), (2307, 8975), (3845, 5385)]