20453335

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2693}}^1$

素因数の和:2743

約数の個数: 24

約数和(自身を含む): 29483136

約数和(自身を除く): 9029801

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1519, 2693, 7595, 13465, 18851, 83483, 94255, 131957, 417415, 584381, 659785, 2921905, 4090667, 20453335]

約数ペア:

[(1, 20453335), (5, 4090667), (7, 2921905), (31, 659785), (35, 584381), (49, 417415), (155, 131957), (217, 94255), (245, 83483), (1085, 18851), (1519, 13465), (2693, 7595)]