20331468

素因数分解:

$2^2\times 3^2\times {\mathrm{659}}^1\times {\mathrm{857}}^1$

素因数の和:1526

約数の個数: 36

約数和(自身を含む): 51531480

約数和(自身を除く): 31200012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 659, 857, 1318, 1714, 1977, 2571, 2636, 3428, 3954, 5142, 5931, 7713, 7908, 10284, 11862, 15426, 23724, 30852, 564763, 1129526, 1694289, 2259052, 3388578, 5082867, 6777156, 10165734, 20331468]

約数ペア:

[(1, 20331468), (2, 10165734), (3, 6777156), (4, 5082867), (6, 3388578), (9, 2259052), (12, 1694289), (18, 1129526), (36, 564763), (659, 30852), (857, 23724), (1318, 15426), (1714, 11862), (1977, 10284), (2571, 7908), (2636, 7713), (3428, 5931), (3954, 5142)]