20149929995

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{1999}}^1$

素因数の和:2260

約数の個数: 48

約数和(自身を含む): 26703360000

約数和(自身を除く): 6553430005

約数列:

[1, 5, 13, 65, 79, 151, 169, 395, 755, 845, 1027, 1963, 1999, 5135, 9815, 9995, 11929, 13351, 25519, 25987, 59645, 66755, 127595, 129935, 155077, 157921, 301849, 337831, 775385, 789605, 1509245, 1689155, 2016001, 2052973, 3924037, 10080005, 10264865, 19620185, 23846071, 26688649, 51012481, 119230355, 133443245, 255062405, 309998923, 1549994615, 4029985999, 20149929995]

約数ペア:

[(1, 20149929995), (5, 4029985999), (13, 1549994615), (65, 309998923), (79, 255062405), (151, 133443245), (169, 119230355), (395, 51012481), (755, 26688649), (845, 23846071), (1027, 19620185), (1963, 10264865), (1999, 10080005), (5135, 3924037), (9815, 2052973), (9995, 2016001), (11929, 1689155), (13351, 1509245), (25519, 789605), (25987, 775385), (59645, 337831), (66755, 301849), (127595, 157921), (129935, 155077)]