20097675

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6871}}^1$

素因数の和:6900

約数の個数: 36

約数和(自身を含む): 38771824

約数和(自身を除く): 18674149

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 6871, 20613, 34355, 61839, 89323, 103065, 171775, 267969, 309195, 446615, 515325, 803907, 1339845, 1545975, 2233075, 4019535, 6699225, 20097675]

約数ペア:

[(1, 20097675), (3, 6699225), (5, 4019535), (9, 2233075), (13, 1545975), (15, 1339845), (25, 803907), (39, 515325), (45, 446615), (65, 309195), (75, 267969), (117, 171775), (195, 103065), (225, 89323), (325, 61839), (585, 34355), (975, 20613), (2925, 6871)]