20746383

素因数分解:

$3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{2143}}^1$

素因数の和:2614

約数の個数: 16

約数和(自身を含む): 31696896

約数和(自身を除く): 10950513

約数列:

[1, 3, 7, 21, 461, 1383, 2143, 3227, 6429, 9681, 15001, 45003, 987923, 2963769, 6915461, 20746383]

約数ペア:

[(1, 20746383), (3, 6915461), (7, 2963769), (21, 987923), (461, 45003), (1383, 15001), (2143, 9681), (3227, 6429)]