20123129853

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{433}}^1\times {\mathrm{607}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 29967415296

約数和(自身を除く): 9844285443

約数列:

[1, 3, 9, 47, 141, 181, 423, 433, 543, 607, 1299, 1629, 1821, 3897, 5463, 8507, 20351, 25521, 28529, 61053, 76563, 78373, 85587, 109867, 183159, 235119, 256761, 262831, 329601, 705357, 788493, 988803, 2365479, 3683531, 5163749, 11050593, 12353057, 15491247, 33151779, 37059171, 46473741, 47572411, 111177513, 142717233, 428151699, 2235903317, 6707709951, 20123129853]

約数ペア:

[(1, 20123129853), (3, 6707709951), (9, 2235903317), (47, 428151699), (141, 142717233), (181, 111177513), (423, 47572411), (433, 46473741), (543, 37059171), (607, 33151779), (1299, 15491247), (1629, 12353057), (1821, 11050593), (3897, 5163749), (5463, 3683531), (8507, 2365479), (20351, 988803), (25521, 788493), (28529, 705357), (61053, 329601), (76563, 262831), (78373, 256761), (85587, 235119), (109867, 183159)]