20138646512

素因数分解:

$2^4\times {\mathrm{1901}}^1\times {\mathrm{662107}}^1$

素因数の和:664016

約数の個数: 20

約数和(自身を含む): 39039211896

約数和(自身を除く): 18900565384

約数列:

[1, 2, 4, 8, 16, 1901, 3802, 7604, 15208, 30416, 662107, 1324214, 2648428, 5296856, 10593712, 1258665407, 2517330814, 5034661628, 10069323256, 20138646512]

約数ペア:

[(1, 20138646512), (2, 10069323256), (4, 5034661628), (8, 2517330814), (16, 1258665407), (1901, 10593712), (3802, 5296856), (7604, 2648428), (15208, 1324214), (30416, 662107)]