20169166204

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{599}}^1\times {\mathrm{953}}^1$

素因数の和:1651

約数の個数: 72

約数和(自身を含む): 39434925600

約数和(自身を除く): 19265759396

約数列:

[1, 2, 4, 11, 22, 44, 73, 121, 146, 242, 292, 484, 599, 803, 953, 1198, 1606, 1906, 2396, 3212, 3812, 6589, 8833, 10483, 13178, 17666, 20966, 26356, 35332, 41932, 43727, 69569, 72479, 87454, 115313, 139138, 144958, 174908, 230626, 278276, 289916, 461252, 480997, 570847, 765259, 961994, 1141694, 1530518, 1923988, 2283388, 3061036, 5290967, 6279317, 8417849, 10581934, 12558634, 16835698, 21163868, 25117268, 33671396, 41671831, 69072487, 83343662, 138144974, 166687324, 276289948, 458390141, 916780282, 1833560564, 5042291551, 10084583102, 20169166204]

約数ペア:

[(1, 20169166204), (2, 10084583102), (4, 5042291551), (11, 1833560564), (22, 916780282), (44, 458390141), (73, 276289948), (121, 166687324), (146, 138144974), (242, 83343662), (292, 69072487), (484, 41671831), (599, 33671396), (803, 25117268), (953, 21163868), (1198, 16835698), (1606, 12558634), (1906, 10581934), (2396, 8417849), (3212, 6279317), (3812, 5290967), (6589, 3061036), (8833, 2283388), (10483, 1923988), (13178, 1530518), (17666, 1141694), (20966, 961994), (26356, 765259), (35332, 570847), (41932, 480997), (43727, 461252), (69569, 289916), (72479, 278276), (87454, 230626), (115313, 174908), (139138, 144958)]