20940460

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{7027}}^1$

素因数の和:7185

約数の個数: 24

約数和(自身を含む): 44276400

約数和(自身を除く): 23335940

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 7027, 14054, 28108, 35135, 70270, 140540, 1047023, 2094046, 4188092, 5235115, 10470230, 20940460]

約数ペア:

[(1, 20940460), (2, 10470230), (4, 5235115), (5, 4188092), (10, 2094046), (20, 1047023), (149, 140540), (298, 70270), (596, 35135), (745, 28108), (1490, 14054), (2980, 7027)]