20480436

素因数分解:

$2^2\times 3^2\times {\mathrm{397}}^1\times {\mathrm{1433}}^1$

素因数の和:1840

約数の個数: 36

約数和(自身を含む): 51936612

約数和(自身を除く): 31456176

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 397, 794, 1191, 1433, 1588, 2382, 2866, 3573, 4299, 4764, 5732, 7146, 8598, 12897, 14292, 17196, 25794, 51588, 568901, 1137802, 1706703, 2275604, 3413406, 5120109, 6826812, 10240218, 20480436]

約数ペア:

[(1, 20480436), (2, 10240218), (3, 6826812), (4, 5120109), (6, 3413406), (9, 2275604), (12, 1706703), (18, 1137802), (36, 568901), (397, 51588), (794, 25794), (1191, 17196), (1433, 14292), (1588, 12897), (2382, 8598), (2866, 7146), (3573, 5732), (4299, 4764)]