20844576

素因数分解:

$2^5\times 3^2\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:634

約数の個数: 72

約数和(自身を含む): 59783724

約数和(自身を除く): 38939148

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 157, 288, 314, 461, 471, 628, 922, 942, 1256, 1383, 1413, 1844, 1884, 2512, 2766, 2826, 3688, 3768, 4149, 5024, 5532, 5652, 7376, 7536, 8298, 11064, 11304, 14752, 15072, 16596, 22128, 22608, 33192, 44256, 45216, 66384, 72377, 132768, 144754, 217131, 289508, 434262, 579016, 651393, 868524, 1158032, 1302786, 1737048, 2316064, 2605572, 3474096, 5211144, 6948192, 10422288, 20844576]

約数ペア:

[(1, 20844576), (2, 10422288), (3, 6948192), (4, 5211144), (6, 3474096), (8, 2605572), (9, 2316064), (12, 1737048), (16, 1302786), (18, 1158032), (24, 868524), (32, 651393), (36, 579016), (48, 434262), (72, 289508), (96, 217131), (144, 144754), (157, 132768), (288, 72377), (314, 66384), (461, 45216), (471, 44256), (628, 33192), (922, 22608), (942, 22128), (1256, 16596), (1383, 15072), (1413, 14752), (1844, 11304), (1884, 11064), (2512, 8298), (2766, 7536), (2826, 7376), (3688, 5652), (3768, 5532), (4149, 5024)]