20716620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1789}}^1$

素因数の和:1994

約数の個数: 48

約数和(自身を含む): 58339680

約数和(自身を除く): 37623060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 193, 386, 579, 772, 965, 1158, 1789, 1930, 2316, 2895, 3578, 3860, 5367, 5790, 7156, 8945, 10734, 11580, 17890, 21468, 26835, 35780, 53670, 107340, 345277, 690554, 1035831, 1381108, 1726385, 2071662, 3452770, 4143324, 5179155, 6905540, 10358310, 20716620]

約数ペア:

[(1, 20716620), (2, 10358310), (3, 6905540), (4, 5179155), (5, 4143324), (6, 3452770), (10, 2071662), (12, 1726385), (15, 1381108), (20, 1035831), (30, 690554), (60, 345277), (193, 107340), (386, 53670), (579, 35780), (772, 26835), (965, 21468), (1158, 17890), (1789, 11580), (1930, 10734), (2316, 8945), (2895, 7156), (3578, 5790), (3860, 5367)]