20072860925

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{5273}}^1$

素因数の和:5379

約数の個数: 72

約数和(自身を含む): 29081658744

約数和(自身を除く): 9008797819

約数列:

[1, 5, 13, 17, 25, 53, 65, 85, 169, 221, 265, 325, 425, 689, 845, 901, 1105, 1325, 2873, 3445, 4225, 4505, 5273, 5525, 8957, 11713, 14365, 17225, 22525, 26365, 44785, 58565, 68549, 71825, 89641, 131825, 152269, 223925, 279469, 292825, 342745, 448205, 761345, 891137, 1165333, 1397345, 1713725, 2241025, 3633097, 3806725, 4455685, 4750973, 5826665, 6986725, 15149329, 18165485, 22278425, 23754865, 29133325, 47230261, 61762649, 75746645, 90827425, 118774325, 236151305, 308813245, 378733225, 802914437, 1180756525, 1544066225, 4014572185, 20072860925]

約数ペア:

[(1, 20072860925), (5, 4014572185), (13, 1544066225), (17, 1180756525), (25, 802914437), (53, 378733225), (65, 308813245), (85, 236151305), (169, 118774325), (221, 90827425), (265, 75746645), (325, 61762649), (425, 47230261), (689, 29133325), (845, 23754865), (901, 22278425), (1105, 18165485), (1325, 15149329), (2873, 6986725), (3445, 5826665), (4225, 4750973), (4505, 4455685), (5273, 3806725), (5525, 3633097), (8957, 2241025), (11713, 1713725), (14365, 1397345), (17225, 1165333), (22525, 891137), (26365, 761345), (44785, 448205), (58565, 342745), (68549, 292825), (71825, 279469), (89641, 223925), (131825, 152269)]