20219858872

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{1879}}^1\times {\mathrm{43391}}^1$

素因数の和:45307

約数の個数: 32

約数和(自身を含む): 39156940800

約数和(自身を除く): 18937081928

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 1879, 3758, 7516, 15032, 43391, 58249, 86782, 116498, 173564, 232996, 347128, 465992, 1345121, 2690242, 5380484, 10760968, 81531689, 163063378, 326126756, 652253512, 2527482359, 5054964718, 10109929436, 20219858872]

約数ペア:

[(1, 20219858872), (2, 10109929436), (4, 5054964718), (8, 2527482359), (31, 652253512), (62, 326126756), (124, 163063378), (248, 81531689), (1879, 10760968), (3758, 5380484), (7516, 2690242), (15032, 1345121), (43391, 465992), (58249, 347128), (86782, 232996), (116498, 173564)]