20341647

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2531}}^1$

素因数の和:2603

約数の個数: 24

約数和(自身を含む): 31599360

約数和(自身を除く): 11257713

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2531, 2679, 7593, 8037, 22779, 48089, 118957, 144267, 356871, 432801, 1070613, 2260183, 6780549, 20341647]

約数ペア:

[(1, 20341647), (3, 6780549), (9, 2260183), (19, 1070613), (47, 432801), (57, 356871), (141, 144267), (171, 118957), (423, 48089), (893, 22779), (2531, 8037), (2679, 7593)]