20457948242

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{4349}}^1\times {\mathrm{123791}}^1$

素因数の和:128161

約数の個数: 16

約数和(自身を含む): 32309712000

約数和(自身を除く): 11851763758

約数列:

[1, 2, 19, 38, 4349, 8698, 82631, 123791, 165262, 247582, 2352029, 4704058, 538367059, 1076734118, 10228974121, 20457948242]

約数ペア:

[(1, 20457948242), (2, 10228974121), (19, 1076734118), (38, 538367059), (4349, 4704058), (8698, 2352029), (82631, 247582), (123791, 165262)]