20499318

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{18077}}^1$

素因数の和:18098

約数の個数: 40

約数和(自身を含む): 52498512

約数和(自身を除く): 31999194

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 18077, 36154, 54231, 108462, 126539, 162693, 253078, 325386, 379617, 488079, 759234, 976158, 1138851, 1464237, 2277702, 2928474, 3416553, 6833106, 10249659, 20499318]

約数ペア:

[(1, 20499318), (2, 10249659), (3, 6833106), (6, 3416553), (7, 2928474), (9, 2277702), (14, 1464237), (18, 1138851), (21, 976158), (27, 759234), (42, 488079), (54, 379617), (63, 325386), (81, 253078), (126, 162693), (162, 126539), (189, 108462), (378, 54231), (567, 36154), (1134, 18077)]