20891454

素因数分解:

$2^1\times 3^1\times {\mathrm{151}}^1\times {\mathrm{23059}}^1$

素因数の和:23215

約数の個数: 16

約数和(自身を含む): 42061440

約数和(自身を除く): 21169986

約数列:

[1, 2, 3, 6, 151, 302, 453, 906, 23059, 46118, 69177, 138354, 3481909, 6963818, 10445727, 20891454]

約数ペア:

[(1, 20891454), (2, 10445727), (3, 6963818), (6, 3481909), (151, 138354), (302, 69177), (453, 46118), (906, 23059)]