20616408

素因数分解:

$2^3\times 3^2\times {\mathrm{281}}^1\times {\mathrm{1019}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 56089800

約数和(自身を除く): 35473392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 281, 562, 843, 1019, 1124, 1686, 2038, 2248, 2529, 3057, 3372, 4076, 5058, 6114, 6744, 8152, 9171, 10116, 12228, 18342, 20232, 24456, 36684, 73368, 286339, 572678, 859017, 1145356, 1718034, 2290712, 2577051, 3436068, 5154102, 6872136, 10308204, 20616408]

約数ペア:

[(1, 20616408), (2, 10308204), (3, 6872136), (4, 5154102), (6, 3436068), (8, 2577051), (9, 2290712), (12, 1718034), (18, 1145356), (24, 859017), (36, 572678), (72, 286339), (281, 73368), (562, 36684), (843, 24456), (1019, 20232), (1124, 18342), (1686, 12228), (2038, 10116), (2248, 9171), (2529, 8152), (3057, 6744), (3372, 6114), (4076, 5058)]