20117637

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1657}}^1$

素因数の和:1753

約数の個数: 24

約数和(自身を含む): 31037760

約数和(自身を除く): 10920123

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 1657, 4047, 4971, 12141, 14913, 31483, 94449, 117647, 283347, 352941, 1058823, 2235293, 6705879, 20117637]

約数ペア:

[(1, 20117637), (3, 6705879), (9, 2235293), (19, 1058823), (57, 352941), (71, 283347), (171, 117647), (213, 94449), (639, 31483), (1349, 14913), (1657, 12141), (4047, 4971)]