20487906

素因数分解:

$2^1\times 3^2\times {\mathrm{829}}^1\times {\mathrm{1373}}^1$

素因数の和:2210

約数の個数: 24

約数和(自身を含む): 44476380

約数和(自身を除く): 23988474

約数列:

[1, 2, 3, 6, 9, 18, 829, 1373, 1658, 2487, 2746, 4119, 4974, 7461, 8238, 12357, 14922, 24714, 1138217, 2276434, 3414651, 6829302, 10243953, 20487906]

約数ペア:

[(1, 20487906), (2, 10243953), (3, 6829302), (6, 3414651), (9, 2276434), (18, 1138217), (829, 24714), (1373, 14922), (1658, 12357), (2487, 8238), (2746, 7461), (4119, 4974)]