20557284

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{9161}}^1$

素因数の和:9196

約数の個数: 48

約数和(自身を含む): 55411776

約数和(自身を除く): 34854492

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 102, 132, 187, 204, 374, 561, 748, 1122, 2244, 9161, 18322, 27483, 36644, 54966, 100771, 109932, 155737, 201542, 302313, 311474, 403084, 467211, 604626, 622948, 934422, 1209252, 1713107, 1868844, 3426214, 5139321, 6852428, 10278642, 20557284]

約数ペア:

[(1, 20557284), (2, 10278642), (3, 6852428), (4, 5139321), (6, 3426214), (11, 1868844), (12, 1713107), (17, 1209252), (22, 934422), (33, 622948), (34, 604626), (44, 467211), (51, 403084), (66, 311474), (68, 302313), (102, 201542), (132, 155737), (187, 109932), (204, 100771), (374, 54966), (561, 36644), (748, 27483), (1122, 18322), (2244, 9161)]