20782986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{8387}}^1$

素因数の和:8458

約数の個数: 32

約数和(自身を含む): 48314880

約数和(自身を除く): 27531894

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 118, 177, 354, 413, 826, 1239, 2478, 8387, 16774, 25161, 50322, 58709, 117418, 176127, 352254, 494833, 989666, 1484499, 2968998, 3463831, 6927662, 10391493, 20782986]

約数ペア:

[(1, 20782986), (2, 10391493), (3, 6927662), (6, 3463831), (7, 2968998), (14, 1484499), (21, 989666), (42, 494833), (59, 352254), (118, 176127), (177, 117418), (354, 58709), (413, 50322), (826, 25161), (1239, 16774), (2478, 8387)]