20489340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8329}}^1$

素因数の和:8382

約数の個数: 48

約数和(自身を含む): 58776480

約数和(自身を除く): 38287140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8329, 16658, 24987, 33316, 41645, 49974, 83290, 99948, 124935, 166580, 249870, 341489, 499740, 682978, 1024467, 1365956, 1707445, 2048934, 3414890, 4097868, 5122335, 6829780, 10244670, 20489340]

約数ペア:

[(1, 20489340), (2, 10244670), (3, 6829780), (4, 5122335), (5, 4097868), (6, 3414890), (10, 2048934), (12, 1707445), (15, 1365956), (20, 1024467), (30, 682978), (41, 499740), (60, 341489), (82, 249870), (123, 166580), (164, 124935), (205, 99948), (246, 83290), (410, 49974), (492, 41645), (615, 33316), (820, 24987), (1230, 16658), (2460, 8329)]