20602736

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2389}}^1$

素因数の和:2422

約数の個数: 60

約数和(自身を含む): 50677560

約数和(自身を除く): 30074824

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 2389, 4312, 4778, 8624, 9556, 16723, 19112, 26279, 33446, 38224, 52558, 66892, 105116, 117061, 133784, 183953, 210232, 234122, 267568, 367906, 420464, 468244, 735812, 936488, 1287671, 1471624, 1872976, 2575342, 2943248, 5150684, 10301368, 20602736]

約数ペア:

[(1, 20602736), (2, 10301368), (4, 5150684), (7, 2943248), (8, 2575342), (11, 1872976), (14, 1471624), (16, 1287671), (22, 936488), (28, 735812), (44, 468244), (49, 420464), (56, 367906), (77, 267568), (88, 234122), (98, 210232), (112, 183953), (154, 133784), (176, 117061), (196, 105116), (308, 66892), (392, 52558), (539, 38224), (616, 33446), (784, 26279), (1078, 19112), (1232, 16723), (2156, 9556), (2389, 8624), (4312, 4778)]