20542875

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1889}}^1$

素因数の和:1936

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 14837925

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 145, 375, 435, 725, 1889, 2175, 3625, 5667, 9445, 10875, 28335, 47225, 54781, 141675, 164343, 236125, 273905, 708375, 821715, 1369525, 4108575, 6847625, 20542875]

約数ペア:

[(1, 20542875), (3, 6847625), (5, 4108575), (15, 1369525), (25, 821715), (29, 708375), (75, 273905), (87, 236125), (125, 164343), (145, 141675), (375, 54781), (435, 47225), (725, 28335), (1889, 10875), (2175, 9445), (3625, 5667)]