20197546145

素因数分解:

$5^1\times 7^1\times {\mathrm{4691}}^1\times {\mathrm{123017}}^1$

素因数の和:127720

約数の個数: 16

約数和(自身を含む): 27705621888

約数和(自身を除く): 7508075743

約数列:

[1, 5, 7, 35, 4691, 23455, 32837, 123017, 164185, 615085, 861119, 4305595, 577072747, 2885363735, 4039509229, 20197546145]

約数ペア:

[(1, 20197546145), (5, 4039509229), (7, 2885363735), (35, 577072747), (4691, 4305595), (23455, 861119), (32837, 615085), (123017, 164185)]