20118824

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{167}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 42547680

約数和(自身を除く): 22428856

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 167, 296, 334, 407, 668, 814, 1336, 1369, 1628, 1837, 2738, 3256, 3674, 5476, 6179, 7348, 10952, 12358, 14696, 15059, 24716, 30118, 49432, 60236, 67969, 120472, 135938, 228623, 271876, 457246, 543752, 914492, 1828984, 2514853, 5029706, 10059412, 20118824]

約数ペア:

[(1, 20118824), (2, 10059412), (4, 5029706), (8, 2514853), (11, 1828984), (22, 914492), (37, 543752), (44, 457246), (74, 271876), (88, 228623), (148, 135938), (167, 120472), (296, 67969), (334, 60236), (407, 49432), (668, 30118), (814, 24716), (1336, 15059), (1369, 14696), (1628, 12358), (1837, 10952), (2738, 7348), (3256, 6179), (3674, 5476)]