20150185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{937}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 29175552

約数和(自身を除く): 9025367

約数列:

[1, 5, 11, 17, 23, 55, 85, 115, 187, 253, 391, 935, 937, 1265, 1955, 4301, 4685, 10307, 15929, 21505, 21551, 51535, 79645, 107755, 175219, 237061, 366367, 876095, 1185305, 1831835, 4030037, 20150185]

約数ペア:

[(1, 20150185), (5, 4030037), (11, 1831835), (17, 1185305), (23, 876095), (55, 366367), (85, 237061), (115, 175219), (187, 107755), (253, 79645), (391, 51535), (935, 21551), (937, 21505), (1265, 15929), (1955, 10307), (4301, 4685)]