20965260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12049}}^1$

素因数の和:12090

約数の個数: 48

約数和(自身を含む): 60732000

約数和(自身を除く): 39766740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 12049, 24098, 36147, 48196, 60245, 72294, 120490, 144588, 180735, 240980, 349421, 361470, 698842, 722940, 1048263, 1397684, 1747105, 2096526, 3494210, 4193052, 5241315, 6988420, 10482630, 20965260]

約数ペア:

[(1, 20965260), (2, 10482630), (3, 6988420), (4, 5241315), (5, 4193052), (6, 3494210), (10, 2096526), (12, 1747105), (15, 1397684), (20, 1048263), (29, 722940), (30, 698842), (58, 361470), (60, 349421), (87, 240980), (116, 180735), (145, 144588), (174, 120490), (290, 72294), (348, 60245), (435, 48196), (580, 36147), (870, 24098), (1740, 12049)]