20627654

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{839}}^1$

素因数の和:1507

約数の個数: 16

約数和(自身を含む): 32659200

約数和(自身を除く): 12031546

約数列:

[1, 2, 19, 38, 647, 839, 1294, 1678, 12293, 15941, 24586, 31882, 542833, 1085666, 10313827, 20627654]

約数ペア:

[(1, 20627654), (2, 10313827), (19, 1085666), (38, 542833), (647, 31882), (839, 24586), (1294, 15941), (1678, 12293)]