20123078994

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{27983}}^1$

素因数の和:28213

約数の個数: 80

約数和(自身を含む): 47296541952

約数和(自身を除く): 27173462958

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 193, 207, 386, 414, 579, 621, 1158, 1242, 1737, 1863, 3474, 3726, 4439, 5211, 8878, 10422, 13317, 15633, 26634, 27983, 31266, 39951, 55966, 79902, 83949, 119853, 167898, 239706, 251847, 359559, 503694, 643609, 719118, 755541, 1287218, 1511082, 1930827, 2266623, 3861654, 4533246, 5400719, 5792481, 10801438, 11584962, 16202157, 17377443, 32404314, 34754886, 48606471, 52132329, 97212942, 104264658, 124216537, 145819413, 248433074, 291638826, 372649611, 437458239, 745299222, 874916478, 1117948833, 2235897666, 3353846499, 6707692998, 10061539497, 20123078994]

約数ペア:

[(1, 20123078994), (2, 10061539497), (3, 6707692998), (6, 3353846499), (9, 2235897666), (18, 1117948833), (23, 874916478), (27, 745299222), (46, 437458239), (54, 372649611), (69, 291638826), (81, 248433074), (138, 145819413), (162, 124216537), (193, 104264658), (207, 97212942), (386, 52132329), (414, 48606471), (579, 34754886), (621, 32404314), (1158, 17377443), (1242, 16202157), (1737, 11584962), (1863, 10801438), (3474, 5792481), (3726, 5400719), (4439, 4533246), (5211, 3861654), (8878, 2266623), (10422, 1930827), (13317, 1511082), (15633, 1287218), (26634, 755541), (27983, 719118), (31266, 643609), (39951, 503694), (55966, 359559), (79902, 251847), (83949, 239706), (119853, 167898)]