20011895901

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{1811}}^1\times {\mathrm{64621}}^1$

素因数の和:66457

約数の個数: 24

約数和(自身を含む): 30444716640

約数和(自身を除く): 10432820739

約数列:

[1, 3, 9, 19, 57, 171, 1811, 5433, 16299, 34409, 64621, 103227, 193863, 309681, 581589, 1227799, 3683397, 11050191, 117028631, 351085893, 1053257679, 2223543989, 6670631967, 20011895901]

約数ペア:

[(1, 20011895901), (3, 6670631967), (9, 2223543989), (19, 1053257679), (57, 351085893), (171, 117028631), (1811, 11050191), (5433, 3683397), (16299, 1227799), (34409, 581589), (64621, 309681), (103227, 193863)]