20491353

素因数分解:

$3^3\times {\mathrm{389}}^1\times {\mathrm{1951}}^1$

素因数の和:2349

約数の個数: 16

約数和(自身を含む): 30451200

約数和(自身を除く): 9959847

約数列:

[1, 3, 9, 27, 389, 1167, 1951, 3501, 5853, 10503, 17559, 52677, 758939, 2276817, 6830451, 20491353]

約数ペア:

[(1, 20491353), (3, 6830451), (9, 2276817), (27, 758939), (389, 52677), (1167, 17559), (1951, 10503), (3501, 5853)]