20097825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1433}}^1$

素因数の和:1474

約数の個数: 48

約数和(自身を含む): 38408256

約数和(自身を除く): 18310431

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 825, 935, 1275, 1433, 2805, 4299, 4675, 7165, 14025, 15763, 21495, 24361, 35825, 47289, 73083, 78815, 107475, 121805, 236445, 267971, 365415, 394075, 609025, 803913, 1182225, 1339855, 1827075, 4019565, 6699275, 20097825]

約数ペア:

[(1, 20097825), (3, 6699275), (5, 4019565), (11, 1827075), (15, 1339855), (17, 1182225), (25, 803913), (33, 609025), (51, 394075), (55, 365415), (75, 267971), (85, 236445), (165, 121805), (187, 107475), (255, 78815), (275, 73083), (425, 47289), (561, 35825), (825, 24361), (935, 21495), (1275, 15763), (1433, 14025), (2805, 7165), (4299, 4675)]