20444265

素因数分解:

$3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{761}}^1$

素因数の和:974

約数の個数: 32

約数和(自身を含む): 36576000

約数和(自身を除く): 16131735

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 199, 597, 761, 995, 1791, 2283, 2985, 3805, 5373, 6849, 8955, 11415, 20547, 26865, 34245, 102735, 151439, 454317, 757195, 1362951, 2271585, 4088853, 6814755, 20444265]

約数ペア:

[(1, 20444265), (3, 6814755), (5, 4088853), (9, 2271585), (15, 1362951), (27, 757195), (45, 454317), (135, 151439), (199, 102735), (597, 34245), (761, 26865), (995, 20547), (1791, 11415), (2283, 8955), (2985, 6849), (3805, 5373)]