20604275

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 26523600

約数和(自身を除く): 5919325

約数列:

[1, 5, 25, 59, 61, 229, 295, 305, 1145, 1475, 1525, 3599, 5725, 13511, 13969, 17995, 67555, 69845, 89975, 337775, 349225, 824171, 4120855, 20604275]

約数ペア:

[(1, 20604275), (5, 4120855), (25, 824171), (59, 349225), (61, 337775), (229, 89975), (295, 69845), (305, 67555), (1145, 17995), (1475, 13969), (1525, 13511), (3599, 5725)]