20858354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1297}}^1$

素因数の和:1370

約数の個数: 32

約数和(自身を含む): 37008576

約数和(自身を除く): 16150222

約数列:

[1, 2, 11, 17, 22, 34, 43, 86, 187, 374, 473, 731, 946, 1297, 1462, 2594, 8041, 14267, 16082, 22049, 28534, 44098, 55771, 111542, 242539, 485078, 613481, 948107, 1226962, 1896214, 10429177, 20858354]

約数ペア:

[(1, 20858354), (2, 10429177), (11, 1896214), (17, 1226962), (22, 948107), (34, 613481), (43, 485078), (86, 242539), (187, 111542), (374, 55771), (473, 44098), (731, 28534), (946, 22049), (1297, 16082), (1462, 14267), (2594, 8041)]