20389941

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5281}}^1$

素因数の和:5314

約数の個数: 32

約数和(自身を含む): 35495040

約数和(自身を除く): 15105099

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 5281, 15843, 47529, 58091, 68653, 142587, 174273, 205959, 522819, 617877, 755183, 1568457, 1853631, 2265549, 6796647, 20389941]

約数ペア:

[(1, 20389941), (3, 6796647), (9, 2265549), (11, 1853631), (13, 1568457), (27, 755183), (33, 617877), (39, 522819), (99, 205959), (117, 174273), (143, 142587), (297, 68653), (351, 58091), (429, 47529), (1287, 15843), (3861, 5281)]