20790721302

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15679277}}^1$

素因数の和:15679312

約数の個数: 32

約数和(自身を含む): 47414136672

約数和(自身を除く): 26623415370

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 15679277, 31358554, 47037831, 94075662, 203830601, 266547709, 407661202, 533095418, 611491803, 799643127, 1222983606, 1599286254, 3465120217, 6930240434, 10395360651, 20790721302]

約数ペア:

[(1, 20790721302), (2, 10395360651), (3, 6930240434), (6, 3465120217), (13, 1599286254), (17, 1222983606), (26, 799643127), (34, 611491803), (39, 533095418), (51, 407661202), (78, 266547709), (102, 203830601), (221, 94075662), (442, 47037831), (663, 31358554), (1326, 15679277)]