20386584

素因数分解:

$2^3\times 3^2\times {\mathrm{103}}^1\times {\mathrm{2749}}^1$

素因数の和:2864

約数の個数: 48

約数和(自身を含む): 55770000

約数和(自身を除く): 35383416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 103, 206, 309, 412, 618, 824, 927, 1236, 1854, 2472, 2749, 3708, 5498, 7416, 8247, 10996, 16494, 21992, 24741, 32988, 49482, 65976, 98964, 197928, 283147, 566294, 849441, 1132588, 1698882, 2265176, 2548323, 3397764, 5096646, 6795528, 10193292, 20386584]

約数ペア:

[(1, 20386584), (2, 10193292), (3, 6795528), (4, 5096646), (6, 3397764), (8, 2548323), (9, 2265176), (12, 1698882), (18, 1132588), (24, 849441), (36, 566294), (72, 283147), (103, 197928), (206, 98964), (309, 65976), (412, 49482), (618, 32988), (824, 24741), (927, 21992), (1236, 16494), (1854, 10996), (2472, 8247), (2749, 7416), (3708, 5498)]