20629140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{49117}}^1$

素因数の和:49136

約数の個数: 48

約数和(自身を含む): 66014592

約数和(自身を除く): 45385452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 49117, 98234, 147351, 196468, 245585, 294702, 343819, 491170, 589404, 687638, 736755, 982340, 1031457, 1375276, 1473510, 1719095, 2062914, 2947020, 3438190, 4125828, 5157285, 6876380, 10314570, 20629140]

約数ペア:

[(1, 20629140), (2, 10314570), (3, 6876380), (4, 5157285), (5, 4125828), (6, 3438190), (7, 2947020), (10, 2062914), (12, 1719095), (14, 1473510), (15, 1375276), (20, 1031457), (21, 982340), (28, 736755), (30, 687638), (35, 589404), (42, 491170), (60, 343819), (70, 294702), (84, 245585), (105, 196468), (140, 147351), (210, 98234), (420, 49117)]