20008974388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{9661}}^1\times {\mathrm{39829}}^1$

素因数の和:49507

約数の個数: 24

約数和(自身を含む): 37714071080

約数和(自身を除く): 17705096692

約数列:

[1, 2, 4, 13, 26, 52, 9661, 19322, 38644, 39829, 79658, 125593, 159316, 251186, 502372, 517777, 1035554, 2071108, 384787969, 769575938, 1539151876, 5002243597, 10004487194, 20008974388]

約数ペア:

[(1, 20008974388), (2, 10004487194), (4, 5002243597), (13, 1539151876), (26, 769575938), (52, 384787969), (9661, 2071108), (19322, 1035554), (38644, 517777), (39829, 502372), (79658, 251186), (125593, 159316)]