20461259

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 26557440

約数和(自身を除く): 6096181

約数列:

[1, 7, 13, 37, 59, 91, 103, 259, 413, 481, 721, 767, 1339, 2183, 3367, 3811, 5369, 6077, 9373, 15281, 26677, 28379, 42539, 49543, 79001, 198653, 224849, 346801, 553007, 1573943, 2923037, 20461259]

約数ペア:

[(1, 20461259), (7, 2923037), (13, 1573943), (37, 553007), (59, 346801), (91, 224849), (103, 198653), (259, 79001), (413, 49543), (481, 42539), (721, 28379), (767, 26677), (1339, 15281), (2183, 9373), (3367, 6077), (3811, 5369)]