20659560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1609}}^1$

素因数の和:1730

約数の個数: 64

約数和(自身を含む): 62596800

約数和(自身を除く): 41937240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 1609, 2140, 2568, 3210, 3218, 4280, 4827, 6420, 6436, 8045, 9654, 12840, 12872, 16090, 19308, 24135, 32180, 38616, 48270, 64360, 96540, 172163, 193080, 344326, 516489, 688652, 860815, 1032978, 1377304, 1721630, 2065956, 2582445, 3443260, 4131912, 5164890, 6886520, 10329780, 20659560]

約数ペア:

[(1, 20659560), (2, 10329780), (3, 6886520), (4, 5164890), (5, 4131912), (6, 3443260), (8, 2582445), (10, 2065956), (12, 1721630), (15, 1377304), (20, 1032978), (24, 860815), (30, 688652), (40, 516489), (60, 344326), (107, 193080), (120, 172163), (214, 96540), (321, 64360), (428, 48270), (535, 38616), (642, 32180), (856, 24135), (1070, 19308), (1284, 16090), (1605, 12872), (1609, 12840), (2140, 9654), (2568, 8045), (3210, 6436), (3218, 6420), (4280, 4827)]