20348075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1295

約数の個数: 24

約数和(自身を含む): 27999696

約数和(自身を除く): 7651621

約数列:

[1, 5, 11, 25, 55, 61, 275, 305, 671, 1213, 1525, 3355, 6065, 13343, 16775, 30325, 66715, 73993, 333575, 369965, 813923, 1849825, 4069615, 20348075]

約数ペア:

[(1, 20348075), (5, 4069615), (11, 1849825), (25, 813923), (55, 369965), (61, 333575), (275, 73993), (305, 66715), (671, 30325), (1213, 16775), (1525, 13343), (3355, 6065)]