20347979912

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{269}}^1\times {\mathrm{55949}}^1$

素因数の和:56250

約数の個数: 48

約数和(自身を含む): 41467342500

約数和(自身を除く): 21119362588

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 269, 338, 538, 676, 1076, 1352, 2152, 3497, 6994, 13988, 27976, 45461, 55949, 90922, 111898, 181844, 223796, 363688, 447592, 727337, 1454674, 2909348, 5818696, 9455381, 15050281, 18910762, 30100562, 37821524, 60201124, 75643048, 120402248, 195653653, 391307306, 782614612, 1565229224, 2543497489, 5086994978, 10173989956, 20347979912]

約数ペア:

[(1, 20347979912), (2, 10173989956), (4, 5086994978), (8, 2543497489), (13, 1565229224), (26, 782614612), (52, 391307306), (104, 195653653), (169, 120402248), (269, 75643048), (338, 60201124), (538, 37821524), (676, 30100562), (1076, 18910762), (1352, 15050281), (2152, 9455381), (3497, 5818696), (6994, 2909348), (13988, 1454674), (27976, 727337), (45461, 447592), (55949, 363688), (90922, 223796), (111898, 181844)]