20789964156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7839353}}^1$

素因数の和:7839390

約数の個数: 48

約数和(自身を含む): 55314481824

約数和(自身を除く): 34524517668

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7839353, 15678706, 23518059, 31357412, 47036118, 94072236, 101911589, 133269001, 203823178, 266538002, 305734767, 399807003, 407646356, 533076004, 611469534, 799614006, 1222939068, 1599228012, 1732497013, 3464994026, 5197491039, 6929988052, 10394982078, 20789964156]

約数ペア:

[(1, 20789964156), (2, 10394982078), (3, 6929988052), (4, 5197491039), (6, 3464994026), (12, 1732497013), (13, 1599228012), (17, 1222939068), (26, 799614006), (34, 611469534), (39, 533076004), (51, 407646356), (52, 399807003), (68, 305734767), (78, 266538002), (102, 203823178), (156, 133269001), (204, 101911589), (221, 94072236), (442, 47036118), (663, 31357412), (884, 23518059), (1326, 15678706), (2652, 7839353)]