20173909912

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{271}}^1\times {\mathrm{55061}}^1$

素因数の和:55364

約数の個数: 48

約数和(自身を含む): 41111491680

約数和(自身を除く): 20937581768

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 271, 338, 542, 676, 1084, 1352, 2168, 3523, 7046, 14092, 28184, 45799, 55061, 91598, 110122, 183196, 220244, 366392, 440488, 715793, 1431586, 2863172, 5726344, 9305309, 14921531, 18610618, 29843062, 37221236, 59686124, 74442472, 119372248, 193979903, 387959806, 775919612, 1551839224, 2521738739, 5043477478, 10086954956, 20173909912]

約数ペア:

[(1, 20173909912), (2, 10086954956), (4, 5043477478), (8, 2521738739), (13, 1551839224), (26, 775919612), (52, 387959806), (104, 193979903), (169, 119372248), (271, 74442472), (338, 59686124), (542, 37221236), (676, 29843062), (1084, 18610618), (1352, 14921531), (2168, 9305309), (3523, 5726344), (7046, 2863172), (14092, 1431586), (28184, 715793), (45799, 440488), (55061, 366392), (91598, 220244), (110122, 183196)]