20426274

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1453}}^1$

素因数の和:1543

約数の個数: 48

約数和(自身を含む): 48993984

約数和(自身を除く): 28567710

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 71, 99, 142, 198, 213, 426, 639, 781, 1278, 1453, 1562, 2343, 2906, 4359, 4686, 7029, 8718, 13077, 14058, 15983, 26154, 31966, 47949, 95898, 103163, 143847, 206326, 287694, 309489, 618978, 928467, 1134793, 1856934, 2269586, 3404379, 6808758, 10213137, 20426274]

約数ペア:

[(1, 20426274), (2, 10213137), (3, 6808758), (6, 3404379), (9, 2269586), (11, 1856934), (18, 1134793), (22, 928467), (33, 618978), (66, 309489), (71, 287694), (99, 206326), (142, 143847), (198, 103163), (213, 95898), (426, 47949), (639, 31966), (781, 26154), (1278, 15983), (1453, 14058), (1562, 13077), (2343, 8718), (2906, 7029), (4359, 4686)]