20172625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{863}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 29113344

約数和(自身を除く): 8940719

約数列:

[1, 5, 11, 17, 25, 55, 85, 125, 187, 275, 425, 863, 935, 1375, 2125, 4315, 4675, 9493, 14671, 21575, 23375, 47465, 73355, 107875, 161381, 237325, 366775, 806905, 1186625, 1833875, 4034525, 20172625]

約数ペア:

[(1, 20172625), (5, 4034525), (11, 1833875), (17, 1186625), (25, 806905), (55, 366775), (85, 237325), (125, 161381), (187, 107875), (275, 73355), (425, 47465), (863, 23375), (935, 21575), (1375, 14671), (2125, 9493), (4315, 4675)]