20458875

素因数分解:

$3^1\times 5^3\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 34482240

約数和(自身を除く): 14023365

約数列:

[1, 3, 5, 15, 25, 75, 89, 125, 267, 375, 445, 613, 1335, 1839, 2225, 3065, 6675, 9195, 11125, 15325, 33375, 45975, 54557, 76625, 163671, 229875, 272785, 818355, 1363925, 4091775, 6819625, 20458875]

約数ペア:

[(1, 20458875), (3, 6819625), (5, 4091775), (15, 1363925), (25, 818355), (75, 272785), (89, 229875), (125, 163671), (267, 76625), (375, 54557), (445, 45975), (613, 33375), (1335, 15325), (1839, 11125), (2225, 9195), (3065, 6675)]