20325480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24197}}^1$

素因数の和:24218

約数の個数: 64

約数和(自身を含む): 69690240

約数和(自身を除く): 49364760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24197, 48394, 72591, 96788, 120985, 145182, 169379, 193576, 241970, 290364, 338758, 362955, 483940, 508137, 580728, 677516, 725910, 846895, 967880, 1016274, 1355032, 1451820, 1693790, 2032548, 2540685, 2903640, 3387580, 4065096, 5081370, 6775160, 10162740, 20325480]

約数ペア:

[(1, 20325480), (2, 10162740), (3, 6775160), (4, 5081370), (5, 4065096), (6, 3387580), (7, 2903640), (8, 2540685), (10, 2032548), (12, 1693790), (14, 1451820), (15, 1355032), (20, 1016274), (21, 967880), (24, 846895), (28, 725910), (30, 677516), (35, 580728), (40, 508137), (42, 483940), (56, 362955), (60, 338758), (70, 290364), (84, 241970), (105, 193576), (120, 169379), (140, 145182), (168, 120985), (210, 96788), (280, 72591), (420, 48394), (840, 24197)]