20884440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2203}}^1$

素因数の和:2296

約数の個数: 64

約数和(自身を含む): 63475200

約数和(自身を除く): 42590760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2203, 2370, 3160, 4406, 4740, 6609, 8812, 9480, 11015, 13218, 17624, 22030, 26436, 33045, 44060, 52872, 66090, 88120, 132180, 174037, 264360, 348074, 522111, 696148, 870185, 1044222, 1392296, 1740370, 2088444, 2610555, 3480740, 4176888, 5221110, 6961480, 10442220, 20884440]

約数ペア:

[(1, 20884440), (2, 10442220), (3, 6961480), (4, 5221110), (5, 4176888), (6, 3480740), (8, 2610555), (10, 2088444), (12, 1740370), (15, 1392296), (20, 1044222), (24, 870185), (30, 696148), (40, 522111), (60, 348074), (79, 264360), (120, 174037), (158, 132180), (237, 88120), (316, 66090), (395, 52872), (474, 44060), (632, 33045), (790, 26436), (948, 22030), (1185, 17624), (1580, 13218), (1896, 11015), (2203, 9480), (2370, 8812), (3160, 6609), (4406, 4740)]