20902714

素因数分解:

$2^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{811}}^1$

素因数の和:1090

約数の個数: 24

約数和(自身を含む): 36656928

約数和(自身を除く): 15754214

約数列:

[1, 2, 7, 14, 49, 98, 263, 526, 811, 1622, 1841, 3682, 5677, 11354, 12887, 25774, 39739, 79478, 213293, 426586, 1493051, 2986102, 10451357, 20902714]

約数ペア:

[(1, 20902714), (2, 10451357), (7, 2986102), (14, 1493051), (49, 426586), (98, 213293), (263, 79478), (526, 39739), (811, 25774), (1622, 12887), (1841, 11354), (3682, 5677)]