20577660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1777}}^1$

素因数の和:1982

約数の個数: 48

約数和(自身を含む): 57948576

約数和(自身を除く): 37370916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 193, 386, 579, 772, 965, 1158, 1777, 1930, 2316, 2895, 3554, 3860, 5331, 5790, 7108, 8885, 10662, 11580, 17770, 21324, 26655, 35540, 53310, 106620, 342961, 685922, 1028883, 1371844, 1714805, 2057766, 3429610, 4115532, 5144415, 6859220, 10288830, 20577660]

約数ペア:

[(1, 20577660), (2, 10288830), (3, 6859220), (4, 5144415), (5, 4115532), (6, 3429610), (10, 2057766), (12, 1714805), (15, 1371844), (20, 1028883), (30, 685922), (60, 342961), (193, 106620), (386, 53310), (579, 35540), (772, 26655), (965, 21324), (1158, 17770), (1777, 11580), (1930, 10662), (2316, 8885), (2895, 7108), (3554, 5790), (3860, 5331)]