20787029145

素因数分解:

$3^2\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{375251}}^1$

素因数の和:376493

約数の個数: 24

約数和(自身を含む): 36060216192

約数和(自身を除く): 15273187047

約数列:

[1, 3, 5, 9, 15, 45, 1231, 3693, 6155, 11079, 18465, 55395, 375251, 1125753, 1876255, 3377259, 5628765, 16886295, 461933981, 1385801943, 2309669905, 4157405829, 6929009715, 20787029145]

約数ペア:

[(1, 20787029145), (3, 6929009715), (5, 4157405829), (9, 2309669905), (15, 1385801943), (45, 461933981), (1231, 16886295), (3693, 5628765), (6155, 3377259), (11079, 1876255), (18465, 1125753), (55395, 375251)]