20129343

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 31018176

約数和(自身を除く): 10888833

約数列:

[1, 3, 13, 17, 39, 51, 97, 221, 291, 313, 663, 939, 1261, 1649, 3783, 4069, 4947, 5321, 12207, 15963, 21437, 30361, 64311, 69173, 91083, 207519, 394693, 516137, 1184079, 1548411, 6709781, 20129343]

約数ペア:

[(1, 20129343), (3, 6709781), (13, 1548411), (17, 1184079), (39, 516137), (51, 394693), (97, 207519), (221, 91083), (291, 69173), (313, 64311), (663, 30361), (939, 21437), (1261, 15963), (1649, 12207), (3783, 5321), (4069, 4947)]