20942287996

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39365203}}^1$

素因数の和:39365233

約数の個数: 24

約数和(自身を含む): 44089028480

約数和(自身を除く): 23146740484

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39365203, 78730406, 157460812, 275556421, 551112842, 747938857, 1102225684, 1495877714, 2991755428, 5235571999, 10471143998, 20942287996]

約数ペア:

[(1, 20942287996), (2, 10471143998), (4, 5235571999), (7, 2991755428), (14, 1495877714), (19, 1102225684), (28, 747938857), (38, 551112842), (76, 275556421), (133, 157460812), (266, 78730406), (532, 39365203)]