20617389

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 33196800

約数和(自身を除く): 12579411

約数列:

[1, 3, 9, 13, 27, 39, 117, 151, 351, 389, 453, 1167, 1359, 1963, 3501, 4077, 5057, 5889, 10503, 15171, 17667, 45513, 53001, 58739, 136539, 176217, 528651, 763607, 1585953, 2290821, 6872463, 20617389]

約数ペア:

[(1, 20617389), (3, 6872463), (9, 2290821), (13, 1585953), (27, 763607), (39, 528651), (117, 176217), (151, 136539), (351, 58739), (389, 53001), (453, 45513), (1167, 17667), (1359, 15171), (1963, 10503), (3501, 5889), (4077, 5057)]