20457086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1556

約数の個数: 32

約数和(自身を含む): 36142848

約数和(自身を除く): 15685762

約数列:

[1, 2, 13, 17, 26, 31, 34, 62, 221, 403, 442, 527, 806, 1054, 1493, 2986, 6851, 13702, 19409, 25381, 38818, 46283, 50762, 92566, 329953, 601679, 659906, 786811, 1203358, 1573622, 10228543, 20457086]

約数ペア:

[(1, 20457086), (2, 10228543), (13, 1573622), (17, 1203358), (26, 786811), (31, 659906), (34, 601679), (62, 329953), (221, 92566), (403, 50762), (442, 46283), (527, 38818), (806, 25381), (1054, 19409), (1493, 13702), (2986, 6851)]