20113517816

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{18257}}^1$

素因数の和:18564

約数の個数: 64

約数和(自身を含む): 43749089280

約数和(自身を除く): 23635571464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 191, 206, 382, 412, 721, 764, 824, 1337, 1442, 1528, 2674, 2884, 5348, 5768, 10696, 18257, 19673, 36514, 39346, 73028, 78692, 127799, 137711, 146056, 157384, 255598, 275422, 511196, 550844, 1022392, 1101688, 1880471, 3487087, 3760942, 6974174, 7521884, 13163297, 13948348, 15043768, 24409609, 26326594, 27896696, 48819218, 52653188, 97638436, 105306376, 195276872, 359169961, 718339922, 1436679844, 2514189727, 2873359688, 5028379454, 10056758908, 20113517816]

約数ペア:

[(1, 20113517816), (2, 10056758908), (4, 5028379454), (7, 2873359688), (8, 2514189727), (14, 1436679844), (28, 718339922), (56, 359169961), (103, 195276872), (191, 105306376), (206, 97638436), (382, 52653188), (412, 48819218), (721, 27896696), (764, 26326594), (824, 24409609), (1337, 15043768), (1442, 13948348), (1528, 13163297), (2674, 7521884), (2884, 6974174), (5348, 3760942), (5768, 3487087), (10696, 1880471), (18257, 1101688), (19673, 1022392), (36514, 550844), (39346, 511196), (73028, 275422), (78692, 255598), (127799, 157384), (137711, 146056)]