20075625

素因数分解:

$3^2\times 5^4\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 60

約数和(自身を含む): 37525488

約数和(自身を除く): 17449863

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 83, 125, 129, 215, 225, 249, 375, 387, 415, 625, 645, 747, 1075, 1125, 1245, 1875, 1935, 2075, 3225, 3569, 3735, 5375, 5625, 6225, 9675, 10375, 10707, 16125, 17845, 18675, 26875, 31125, 32121, 48375, 51875, 53535, 80625, 89225, 93375, 155625, 160605, 241875, 267675, 446125, 466875, 803025, 1338375, 2230625, 4015125, 6691875, 20075625]

約数ペア:

[(1, 20075625), (3, 6691875), (5, 4015125), (9, 2230625), (15, 1338375), (25, 803025), (43, 466875), (45, 446125), (75, 267675), (83, 241875), (125, 160605), (129, 155625), (215, 93375), (225, 89225), (249, 80625), (375, 53535), (387, 51875), (415, 48375), (625, 32121), (645, 31125), (747, 26875), (1075, 18675), (1125, 17845), (1245, 16125), (1875, 10707), (1935, 10375), (2075, 9675), (3225, 6225), (3569, 5625), (3735, 5375)]