20116525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 31123008

約数和(自身を除く): 11006483

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 143, 187, 221, 275, 325, 331, 425, 715, 935, 1105, 1655, 2431, 3575, 3641, 4303, 4675, 5525, 5627, 8275, 12155, 18205, 21515, 28135, 47333, 60775, 61897, 73151, 91025, 107575, 140675, 236665, 309485, 365755, 804661, 1183325, 1547425, 1828775, 4023305, 20116525]

約数ペア:

[(1, 20116525), (5, 4023305), (11, 1828775), (13, 1547425), (17, 1183325), (25, 804661), (55, 365755), (65, 309485), (85, 236665), (143, 140675), (187, 107575), (221, 91025), (275, 73151), (325, 61897), (331, 60775), (425, 47333), (715, 28135), (935, 21515), (1105, 18205), (1655, 12155), (2431, 8275), (3575, 5627), (3641, 5525), (4303, 4675)]