20005901121

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1\times {\mathrm{5521}}^1$

素因数の和:6081

約数の個数: 32

約数和(自身を含む): 28463833728

約数和(自身を除く): 8457932607

約数列:

[1, 3, 17, 51, 227, 313, 681, 939, 3859, 5321, 5521, 11577, 15963, 16563, 71051, 93857, 213153, 281571, 1207867, 1253267, 1728073, 3623601, 3759801, 5184219, 21305539, 29377241, 63916617, 88131723, 392272571, 1176817713, 6668633707, 20005901121]

約数ペア:

[(1, 20005901121), (3, 6668633707), (17, 1176817713), (51, 392272571), (227, 88131723), (313, 63916617), (681, 29377241), (939, 21305539), (3859, 5184219), (5321, 3759801), (5521, 3623601), (11577, 1728073), (15963, 1253267), (16563, 1207867), (71051, 281571), (93857, 213153)]