20553368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{751}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 42232320

約数和(自身を除く): 21678952

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 311, 622, 751, 1244, 1502, 2488, 3004, 3421, 6008, 6842, 8261, 13684, 16522, 27368, 33044, 66088, 233561, 467122, 934244, 1868488, 2569171, 5138342, 10276684, 20553368]

約数ペア:

[(1, 20553368), (2, 10276684), (4, 5138342), (8, 2569171), (11, 1868488), (22, 934244), (44, 467122), (88, 233561), (311, 66088), (622, 33044), (751, 27368), (1244, 16522), (1502, 13684), (2488, 8261), (3004, 6842), (3421, 6008)]