20165025

素因数分解:

$3^1\times 5^2\times {\mathrm{313}}^1\times {\mathrm{859}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 33484960

約数和(自身を除く): 13319935

約数列:

[1, 3, 5, 15, 25, 75, 313, 859, 939, 1565, 2577, 4295, 4695, 7825, 12885, 21475, 23475, 64425, 268867, 806601, 1344335, 4033005, 6721675, 20165025]

約数ペア:

[(1, 20165025), (3, 6721675), (5, 4033005), (15, 1344335), (25, 806601), (75, 268867), (313, 64425), (859, 23475), (939, 21475), (1565, 12885), (2577, 7825), (4295, 4695)]