20891015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{3079}}^1$

素因数の和:3166

約数の個数: 16

約数和(自身を含む): 26611200

約数和(自身を除く): 5720185

約数列:

[1, 5, 23, 59, 115, 295, 1357, 3079, 6785, 15395, 70817, 181661, 354085, 908305, 4178203, 20891015]

約数ペア:

[(1, 20891015), (5, 4178203), (23, 908305), (59, 354085), (115, 181661), (295, 70817), (1357, 15395), (3079, 6785)]