20648292

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{613}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 55289472

約数和(自身を除く): 34641180

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 401, 613, 802, 1203, 1226, 1604, 1839, 2406, 2452, 2807, 3678, 4291, 4812, 5614, 7356, 8421, 8582, 11228, 12873, 16842, 17164, 25746, 33684, 51492, 245813, 491626, 737439, 983252, 1474878, 1720691, 2949756, 3441382, 5162073, 6882764, 10324146, 20648292]

約数ペア:

[(1, 20648292), (2, 10324146), (3, 6882764), (4, 5162073), (6, 3441382), (7, 2949756), (12, 1720691), (14, 1474878), (21, 983252), (28, 737439), (42, 491626), (84, 245813), (401, 51492), (613, 33684), (802, 25746), (1203, 17164), (1226, 16842), (1604, 12873), (1839, 11228), (2406, 8582), (2452, 8421), (2807, 7356), (3678, 5614), (4291, 4812)]