20850675

素因数分解:

$3^1\times 5^2\times {\mathrm{317}}^1\times {\mathrm{877}}^1$

素因数の和:1207

約数の個数: 24

約数和(自身を含む): 34621296

約数和(自身を除く): 13770621

約数列:

[1, 3, 5, 15, 25, 75, 317, 877, 951, 1585, 2631, 4385, 4755, 7925, 13155, 21925, 23775, 65775, 278009, 834027, 1390045, 4170135, 6950225, 20850675]

約数ペア:

[(1, 20850675), (3, 6950225), (5, 4170135), (15, 1390045), (25, 834027), (75, 278009), (317, 65775), (877, 23775), (951, 21925), (1585, 13155), (2631, 7925), (4385, 4755)]