20185844

素因数分解:

$2^2\times 7^2\times {\mathrm{181}}^1\times {\mathrm{569}}^1$

素因数の和:768

約数の個数: 36

約数和(自身を含む): 41392260

約数和(自身を除く): 21206416

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 181, 196, 362, 569, 724, 1138, 1267, 2276, 2534, 3983, 5068, 7966, 8869, 15932, 17738, 27881, 35476, 55762, 102989, 111524, 205978, 411956, 720923, 1441846, 2883692, 5046461, 10092922, 20185844]

約数ペア:

[(1, 20185844), (2, 10092922), (4, 5046461), (7, 2883692), (14, 1441846), (28, 720923), (49, 411956), (98, 205978), (181, 111524), (196, 102989), (362, 55762), (569, 35476), (724, 27881), (1138, 17738), (1267, 15932), (2276, 8869), (2534, 7966), (3983, 5068)]