20144859988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{626317}}^1$

素因数の和:626392

約数の個数: 48

約数和(自身を含む): 41667683904

約数和(自身を除く): 21522823916

約数列:

[1, 2, 4, 11, 17, 22, 34, 43, 44, 68, 86, 172, 187, 374, 473, 731, 748, 946, 1462, 1892, 2924, 8041, 16082, 32164, 626317, 1252634, 2505268, 6889487, 10647389, 13778974, 21294778, 26931631, 27557948, 42589556, 53863262, 107726524, 117121279, 234242558, 296247941, 457837727, 468485116, 592495882, 915675454, 1184991764, 1831350908, 5036214997, 10072429994, 20144859988]

約数ペア:

[(1, 20144859988), (2, 10072429994), (4, 5036214997), (11, 1831350908), (17, 1184991764), (22, 915675454), (34, 592495882), (43, 468485116), (44, 457837727), (68, 296247941), (86, 234242558), (172, 117121279), (187, 107726524), (374, 53863262), (473, 42589556), (731, 27557948), (748, 26931631), (946, 21294778), (1462, 13778974), (1892, 10647389), (2924, 6889487), (8041, 2505268), (16082, 1252634), (32164, 626317)]