20913660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38729}}^1$

素因数の和:38747

約数の個数: 48

約数和(自身を含む): 65066400

約数和(自身を除く): 44152740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38729, 77458, 116187, 154916, 193645, 232374, 348561, 387290, 464748, 580935, 697122, 774580, 1045683, 1161870, 1394244, 1742805, 2091366, 2323740, 3485610, 4182732, 5228415, 6971220, 10456830, 20913660]

約数ペア:

[(1, 20913660), (2, 10456830), (3, 6971220), (4, 5228415), (5, 4182732), (6, 3485610), (9, 2323740), (10, 2091366), (12, 1742805), (15, 1394244), (18, 1161870), (20, 1045683), (27, 774580), (30, 697122), (36, 580935), (45, 464748), (54, 387290), (60, 348561), (90, 232374), (108, 193645), (135, 154916), (180, 116187), (270, 77458), (540, 38729)]