20778042

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{73681}}^1$

素因数の和:73733

約数の個数: 16

約数和(自身を含む): 42440832

約数和(自身を除く): 21662790

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 73681, 147362, 221043, 442086, 3463007, 6926014, 10389021, 20778042]

約数ペア:

[(1, 20778042), (2, 10389021), (3, 6926014), (6, 3463007), (47, 442086), (94, 221043), (141, 147362), (282, 73681)]