20046858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 44523360

約数和(自身を除く): 24476502

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 139, 258, 278, 417, 559, 834, 1118, 1677, 1807, 1849, 3354, 3614, 3698, 5421, 5547, 5977, 10842, 11094, 11954, 17931, 24037, 35862, 48074, 72111, 77701, 144222, 155402, 233103, 257011, 466206, 514022, 771033, 1542066, 3341143, 6682286, 10023429, 20046858]

約数ペア:

[(1, 20046858), (2, 10023429), (3, 6682286), (6, 3341143), (13, 1542066), (26, 771033), (39, 514022), (43, 466206), (78, 257011), (86, 233103), (129, 155402), (139, 144222), (258, 77701), (278, 72111), (417, 48074), (559, 35862), (834, 24037), (1118, 17931), (1677, 11954), (1807, 11094), (1849, 10842), (3354, 5977), (3614, 5547), (3698, 5421)]