20097176

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23448424

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 53, 62, 88, 106, 124, 139, 212, 248, 278, 341, 424, 556, 583, 682, 1112, 1166, 1364, 1529, 1643, 2332, 2728, 3058, 3286, 4309, 4664, 6116, 6572, 7367, 8618, 12232, 13144, 14734, 17236, 18073, 29468, 34472, 36146, 47399, 58936, 72292, 81037, 94798, 144584, 162074, 189596, 228377, 324148, 379192, 456754, 648296, 913508, 1827016, 2512147, 5024294, 10048588, 20097176]

約数ペア:

[(1, 20097176), (2, 10048588), (4, 5024294), (8, 2512147), (11, 1827016), (22, 913508), (31, 648296), (44, 456754), (53, 379192), (62, 324148), (88, 228377), (106, 189596), (124, 162074), (139, 144584), (212, 94798), (248, 81037), (278, 72292), (341, 58936), (424, 47399), (556, 36146), (583, 34472), (682, 29468), (1112, 18073), (1166, 17236), (1364, 14734), (1529, 13144), (1643, 12232), (2332, 8618), (2728, 7367), (3058, 6572), (3286, 6116), (4309, 4664)]