20111386

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3371}}^1$

素因数の和:3549

約数の個数: 16

約数和(自身を含む): 31966560

約数和(自身を除く): 11855174

約数列:

[1, 2, 19, 38, 157, 314, 2983, 3371, 5966, 6742, 64049, 128098, 529247, 1058494, 10055693, 20111386]

約数ペア:

[(1, 20111386), (2, 10055693), (19, 1058494), (38, 529247), (157, 128098), (314, 64049), (2983, 6742), (3371, 5966)]