20771388

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{52453}}^1$

素因数の和:52474

約数の個数: 36

約数和(自身を含む): 57279768

約数和(自身を除く): 36508380

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 52453, 104906, 157359, 209812, 314718, 472077, 576983, 629436, 944154, 1153966, 1730949, 1888308, 2307932, 3461898, 5192847, 6923796, 10385694, 20771388]

約数ペア:

[(1, 20771388), (2, 10385694), (3, 6923796), (4, 5192847), (6, 3461898), (9, 2307932), (11, 1888308), (12, 1730949), (18, 1153966), (22, 944154), (33, 629436), (36, 576983), (44, 472077), (66, 314718), (99, 209812), (132, 157359), (198, 104906), (396, 52453)]