20788042

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 37691136

約数和(自身を除く): 16903094

約数列:

[1, 2, 11, 17, 22, 31, 34, 62, 121, 163, 187, 242, 326, 341, 374, 527, 682, 1054, 1793, 2057, 2771, 3586, 3751, 4114, 5053, 5542, 5797, 7502, 10106, 11594, 19723, 30481, 39446, 55583, 60962, 63767, 85901, 111166, 127534, 171802, 335291, 611413, 670582, 944911, 1222826, 1889822, 10394021, 20788042]

約数ペア:

[(1, 20788042), (2, 10394021), (11, 1889822), (17, 1222826), (22, 944911), (31, 670582), (34, 611413), (62, 335291), (121, 171802), (163, 127534), (187, 111166), (242, 85901), (326, 63767), (341, 60962), (374, 55583), (527, 39446), (682, 30481), (1054, 19723), (1793, 11594), (2057, 10106), (2771, 7502), (3586, 5797), (3751, 5542), (4114, 5053)]