20449929

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 29373760

約数和(自身を除く): 8923831

約数列:

[1, 3, 17, 51, 103, 229, 289, 309, 687, 867, 1751, 3893, 5253, 11679, 23587, 29767, 66181, 70761, 89301, 198543, 400979, 1202937, 6816643, 20449929]

約数ペア:

[(1, 20449929), (3, 6816643), (17, 1202937), (51, 400979), (103, 198543), (229, 89301), (289, 70761), (309, 66181), (687, 29767), (867, 23587), (1751, 11679), (3893, 5253)]