20102075

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 31337280

約数和(自身を除く): 11235205

約数列:

[1, 5, 7, 17, 25, 29, 35, 85, 119, 145, 175, 203, 233, 425, 493, 595, 725, 1015, 1165, 1631, 2465, 2975, 3451, 3961, 5075, 5825, 6757, 8155, 12325, 17255, 19805, 27727, 33785, 40775, 47299, 86275, 99025, 114869, 138635, 168925, 236495, 574345, 693175, 804083, 1182475, 2871725, 4020415, 20102075]

約数ペア:

[(1, 20102075), (5, 4020415), (7, 2871725), (17, 1182475), (25, 804083), (29, 693175), (35, 574345), (85, 236495), (119, 168925), (145, 138635), (175, 114869), (203, 99025), (233, 86275), (425, 47299), (493, 40775), (595, 33785), (725, 27727), (1015, 19805), (1165, 17255), (1631, 12325), (2465, 8155), (2975, 6757), (3451, 5825), (3961, 5075)]