20155425

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{8669}}^1$

素因数の和:8713

約数の個数: 24

約数和(自身を含む): 34402560

約数和(自身を除く): 14247135

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 8669, 26007, 43345, 130035, 216725, 268739, 650175, 806217, 1343695, 4031085, 6718475, 20155425]

約数ペア:

[(1, 20155425), (3, 6718475), (5, 4031085), (15, 1343695), (25, 806217), (31, 650175), (75, 268739), (93, 216725), (155, 130035), (465, 43345), (775, 26007), (2325, 8669)]