20525175

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8293}}^1$

素因数の和:8320

約数の個数: 36

約数和(自身を含む): 40109784

約数和(自身を除く): 19584609

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 8293, 24879, 41465, 74637, 91223, 124395, 207325, 273669, 373185, 456115, 621975, 821007, 1368345, 1865925, 2280575, 4105035, 6841725, 20525175]

約数ペア:

[(1, 20525175), (3, 6841725), (5, 4105035), (9, 2280575), (11, 1865925), (15, 1368345), (25, 821007), (33, 621975), (45, 456115), (55, 373185), (75, 273669), (99, 207325), (165, 124395), (225, 91223), (275, 74637), (495, 41465), (825, 24879), (2475, 8293)]