20613964

素因数分解:

$2^2\times 7^1\times {\mathrm{613}}^1\times {\mathrm{1201}}^1$

素因数の和:1825

約数の個数: 24

約数和(自身を含む): 41329568

約数和(自身を除く): 20715604

約数列:

[1, 2, 4, 7, 14, 28, 613, 1201, 1226, 2402, 2452, 4291, 4804, 8407, 8582, 16814, 17164, 33628, 736213, 1472426, 2944852, 5153491, 10306982, 20613964]

約数ペア:

[(1, 20613964), (2, 10306982), (4, 5153491), (7, 2944852), (14, 1472426), (28, 736213), (613, 33628), (1201, 17164), (1226, 16814), (2402, 8582), (2452, 8407), (4291, 4804)]