20098990076

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{709}}^1\times {\mathrm{1583}}^1$

素因数の和:2355

約数の個数: 72

約数和(自身を含む): 39787513920

約数和(自身を除く): 19688523844

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 121, 148, 242, 407, 484, 709, 814, 1418, 1583, 1628, 2836, 3166, 4477, 6332, 7799, 8954, 15598, 17413, 17908, 26233, 31196, 34826, 52466, 58571, 69652, 85789, 104932, 117142, 171578, 191543, 234284, 288563, 343156, 383086, 577126, 644281, 766172, 1122347, 1154252, 1288562, 2244694, 2577124, 3174193, 4489388, 6348386, 7087091, 12345817, 12696772, 14174182, 24691634, 28348364, 41526839, 49383268, 83053678, 135803987, 166107356, 271607974, 456795229, 543215948, 913590458, 1827180916, 5024747519, 10049495038, 20098990076]

約数ペア:

[(1, 20098990076), (2, 10049495038), (4, 5024747519), (11, 1827180916), (22, 913590458), (37, 543215948), (44, 456795229), (74, 271607974), (121, 166107356), (148, 135803987), (242, 83053678), (407, 49383268), (484, 41526839), (709, 28348364), (814, 24691634), (1418, 14174182), (1583, 12696772), (1628, 12345817), (2836, 7087091), (3166, 6348386), (4477, 4489388), (6332, 3174193), (7799, 2577124), (8954, 2244694), (15598, 1288562), (17413, 1154252), (17908, 1122347), (26233, 766172), (31196, 644281), (34826, 577126), (52466, 383086), (58571, 343156), (69652, 288563), (85789, 234284), (104932, 191543), (117142, 171578)]