20830356

素因数分解:

$2^2\times 3^2\times {\mathrm{578621}}^1$

素因数の和:578631

約数の個数: 18

約数和(自身を含む): 52654602

約数和(自身を除く): 31824246

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 578621, 1157242, 1735863, 2314484, 3471726, 5207589, 6943452, 10415178, 20830356]

約数ペア:

[(1, 20830356), (2, 10415178), (3, 6943452), (4, 5207589), (6, 3471726), (9, 2314484), (12, 1735863), (18, 1157242), (36, 578621)]