20631864

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2521}}^1$

素因数の和:2572

約数の個数: 64

約数和(自身を含む): 58106880

約数和(自身を除く): 37475016

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 44, 62, 66, 88, 93, 124, 132, 186, 248, 264, 341, 372, 682, 744, 1023, 1364, 2046, 2521, 2728, 4092, 5042, 7563, 8184, 10084, 15126, 20168, 27731, 30252, 55462, 60504, 78151, 83193, 110924, 156302, 166386, 221848, 234453, 312604, 332772, 468906, 625208, 665544, 859661, 937812, 1719322, 1875624, 2578983, 3438644, 5157966, 6877288, 10315932, 20631864]

約数ペア:

[(1, 20631864), (2, 10315932), (3, 6877288), (4, 5157966), (6, 3438644), (8, 2578983), (11, 1875624), (12, 1719322), (22, 937812), (24, 859661), (31, 665544), (33, 625208), (44, 468906), (62, 332772), (66, 312604), (88, 234453), (93, 221848), (124, 166386), (132, 156302), (186, 110924), (248, 83193), (264, 78151), (341, 60504), (372, 55462), (682, 30252), (744, 27731), (1023, 20168), (1364, 15126), (2046, 10084), (2521, 8184), (2728, 7563), (4092, 5042)]