20129548347

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2221069}}^1$

素因数の和:2221147

約数の個数: 24

約数和(自身を含む): 31183822800

約数和(自身を除く): 11054274453

約数列:

[1, 3, 9, 19, 53, 57, 159, 171, 477, 1007, 3021, 9063, 2221069, 6663207, 19989621, 42200311, 117716657, 126600933, 353149971, 379802799, 1059449913, 2236616483, 6709849449, 20129548347]

約数ペア:

[(1, 20129548347), (3, 6709849449), (9, 2236616483), (19, 1059449913), (53, 379802799), (57, 353149971), (159, 126600933), (171, 117716657), (477, 42200311), (1007, 19989621), (3021, 6663207), (9063, 2221069)]