20495952

素因数分解:

$2^4\times 3^2\times {\mathrm{317}}^1\times {\mathrm{449}}^1$

素因数の和:780

約数の個数: 60

約数和(自身を含む): 57669300

約数和(自身を除く): 37173348

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 317, 449, 634, 898, 951, 1268, 1347, 1796, 1902, 2536, 2694, 2853, 3592, 3804, 4041, 5072, 5388, 5706, 7184, 7608, 8082, 10776, 11412, 15216, 16164, 21552, 22824, 32328, 45648, 64656, 142333, 284666, 426999, 569332, 853998, 1138664, 1280997, 1707996, 2277328, 2561994, 3415992, 5123988, 6831984, 10247976, 20495952]

約数ペア:

[(1, 20495952), (2, 10247976), (3, 6831984), (4, 5123988), (6, 3415992), (8, 2561994), (9, 2277328), (12, 1707996), (16, 1280997), (18, 1138664), (24, 853998), (36, 569332), (48, 426999), (72, 284666), (144, 142333), (317, 64656), (449, 45648), (634, 32328), (898, 22824), (951, 21552), (1268, 16164), (1347, 15216), (1796, 11412), (1902, 10776), (2536, 8082), (2694, 7608), (2853, 7184), (3592, 5706), (3804, 5388), (4041, 5072)]