20893938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8641}}^1$

素因数の和:8690

約数の個数: 32

約数和(自身を含む): 46459392

約数和(自身を除く): 25565454

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8641, 17282, 25923, 51846, 112333, 224666, 267871, 336999, 535742, 673998, 803613, 1607226, 3482323, 6964646, 10446969, 20893938]

約数ペア:

[(1, 20893938), (2, 10446969), (3, 6964646), (6, 3482323), (13, 1607226), (26, 803613), (31, 673998), (39, 535742), (62, 336999), (78, 267871), (93, 224666), (186, 112333), (403, 51846), (806, 25923), (1209, 17282), (2418, 8641)]