20553808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4027}}^1$

素因数の和:4075

約数の個数: 40

約数和(自身を含む): 44952480

約数和(自身を除く): 24398672

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 176, 232, 319, 464, 638, 1276, 2552, 4027, 5104, 8054, 16108, 32216, 44297, 64432, 88594, 116783, 177188, 233566, 354376, 467132, 708752, 934264, 1284613, 1868528, 2569226, 5138452, 10276904, 20553808]

約数ペア:

[(1, 20553808), (2, 10276904), (4, 5138452), (8, 2569226), (11, 1868528), (16, 1284613), (22, 934264), (29, 708752), (44, 467132), (58, 354376), (88, 233566), (116, 177188), (176, 116783), (232, 88594), (319, 64432), (464, 44297), (638, 32216), (1276, 16108), (2552, 8054), (4027, 5104)]