20228817

素因数分解:

$3^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{571}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 31560672

約数和(自身を除く): 11331855

約数列:

[1, 3, 7, 21, 49, 147, 241, 571, 723, 1687, 1713, 3997, 5061, 11809, 11991, 27979, 35427, 83937, 137611, 412833, 963277, 2889831, 6742939, 20228817]

約数ペア:

[(1, 20228817), (3, 6742939), (7, 2889831), (21, 963277), (49, 412833), (147, 137611), (241, 83937), (571, 35427), (723, 27979), (1687, 11991), (1713, 11809), (3997, 5061)]