20844038

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{641}}^1$

素因数の和:943

約数の個数: 16

約数和(自身を含む): 31894560

約数和(自身を除く): 11050522

約数列:

[1, 2, 71, 142, 229, 458, 641, 1282, 16259, 32518, 45511, 91022, 146789, 293578, 10422019, 20844038]

約数ペア:

[(1, 20844038), (2, 10422019), (71, 293578), (142, 146789), (229, 91022), (458, 45511), (641, 32518), (1282, 16259)]