20512272840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1659569}}^1$

素因数の和:1659686

約数の個数: 64

約数和(自身を含む): 62134300800

約数和(自身を除く): 41622027960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2060, 2472, 3090, 4120, 6180, 12360, 1659569, 3319138, 4978707, 6638276, 8297845, 9957414, 13276552, 16595690, 19914828, 24893535, 33191380, 39829656, 49787070, 66382760, 99574140, 170935607, 199148280, 341871214, 512806821, 683742428, 854678035, 1025613642, 1367484856, 1709356070, 2051227284, 2564034105, 3418712140, 4102454568, 5128068210, 6837424280, 10256136420, 20512272840]

約数ペア:

[(1, 20512272840), (2, 10256136420), (3, 6837424280), (4, 5128068210), (5, 4102454568), (6, 3418712140), (8, 2564034105), (10, 2051227284), (12, 1709356070), (15, 1367484856), (20, 1025613642), (24, 854678035), (30, 683742428), (40, 512806821), (60, 341871214), (103, 199148280), (120, 170935607), (206, 99574140), (309, 66382760), (412, 49787070), (515, 39829656), (618, 33191380), (824, 24893535), (1030, 19914828), (1236, 16595690), (1545, 13276552), (2060, 9957414), (2472, 8297845), (3090, 6638276), (4120, 4978707), (6180, 3319138), (12360, 1659569)]