20607825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2309}}^1$

素因数の和:2346

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 20639535

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 1275, 1785, 2309, 2975, 6927, 8925, 11545, 16163, 34635, 39253, 48489, 57725, 80815, 117759, 173175, 196265, 242445, 274771, 404075, 588795, 824313, 981325, 1212225, 1373855, 2943975, 4121565, 6869275, 20607825]

約数ペア:

[(1, 20607825), (3, 6869275), (5, 4121565), (7, 2943975), (15, 1373855), (17, 1212225), (21, 981325), (25, 824313), (35, 588795), (51, 404075), (75, 274771), (85, 242445), (105, 196265), (119, 173175), (175, 117759), (255, 80815), (357, 57725), (425, 48489), (525, 39253), (595, 34635), (1275, 16163), (1785, 11545), (2309, 8925), (2975, 6927)]