20895867

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{1747}}^1$

素因数の和:2199

約数の個数: 16

約数和(自身を含む): 31044480

約数和(自身を除く): 10148613

約数列:

[1, 3, 9, 27, 443, 1329, 1747, 3987, 5241, 11961, 15723, 47169, 773921, 2321763, 6965289, 20895867]

約数ペア:

[(1, 20895867), (3, 6965289), (9, 2321763), (27, 773921), (443, 47169), (1329, 15723), (1747, 11961), (3987, 5241)]