20491674

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{487897}}^1$

素因数の和:487909

約数の個数: 16

約数和(自身を含む): 46838208

約数和(自身を除く): 26346534

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 487897, 975794, 1463691, 2927382, 3415279, 6830558, 10245837, 20491674]

約数ペア:

[(1, 20491674), (2, 10245837), (3, 6830558), (6, 3415279), (7, 2927382), (14, 1463691), (21, 975794), (42, 487897)]