220191858

素因数分解:

$2^1\times 3^4\times {\mathrm{1359209}}^1$

素因数の和:1359223

約数の個数: 20

約数和(自身を含む): 493393230

約数和(自身を除く): 273201372

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1359209, 2718418, 4077627, 8155254, 12232881, 24465762, 36698643, 73397286, 110095929, 220191858]

約数ペア:

[(1, 220191858), (2, 110095929), (3, 73397286), (6, 36698643), (9, 24465762), (18, 12232881), (27, 8155254), (54, 4077627), (81, 2718418), (162, 1359209)]