20171255225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{148783}}^1$

素因数の和:148850

約数の個数: 48

約数和(自身を含む): 29887729920

約数和(自身を除く): 9716474695

約数列:

[1, 5, 11, 17, 25, 29, 55, 85, 145, 187, 275, 319, 425, 493, 725, 935, 1595, 2465, 4675, 5423, 7975, 12325, 27115, 135575, 148783, 743915, 1636613, 2529311, 3719575, 4314707, 8183065, 12646555, 21573535, 27822421, 40915325, 47461777, 63232775, 73350019, 107867675, 139112105, 237308885, 366750095, 695560525, 806850209, 1186544425, 1833750475, 4034251045, 20171255225]

約数ペア:

[(1, 20171255225), (5, 4034251045), (11, 1833750475), (17, 1186544425), (25, 806850209), (29, 695560525), (55, 366750095), (85, 237308885), (145, 139112105), (187, 107867675), (275, 73350019), (319, 63232775), (425, 47461777), (493, 40915325), (725, 27822421), (935, 21573535), (1595, 12646555), (2465, 8183065), (4675, 4314707), (5423, 3719575), (7975, 2529311), (12325, 1636613), (27115, 743915), (135575, 148783)]