20178382974

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{257489}}^1$

素因数の和:257884

約数の個数: 32

約数和(自身を含む): 41565065760

約数和(自身を除く): 21386682786

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 353, 706, 1059, 2118, 13061, 26122, 39183, 78366, 257489, 514978, 772467, 1544934, 9527093, 19054186, 28581279, 57162558, 90893617, 181787234, 272680851, 545361702, 3363063829, 6726127658, 10089191487, 20178382974]

約数ペア:

[(1, 20178382974), (2, 10089191487), (3, 6726127658), (6, 3363063829), (37, 545361702), (74, 272680851), (111, 181787234), (222, 90893617), (353, 57162558), (706, 28581279), (1059, 19054186), (2118, 9527093), (13061, 1544934), (26122, 772467), (39183, 514978), (78366, 257489)]