20123994

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:603

約数の個数: 48

約数和(自身を含む): 45160416

約数和(自身を除く): 25036422

約数列:

[1, 2, 3, 6, 11, 22, 33, 53, 66, 106, 121, 159, 242, 318, 363, 523, 583, 726, 1046, 1166, 1569, 1749, 3138, 3498, 5753, 6413, 11506, 12826, 17259, 19239, 27719, 34518, 38478, 55438, 63283, 83157, 126566, 166314, 189849, 304909, 379698, 609818, 914727, 1829454, 3353999, 6707998, 10061997, 20123994]

約数ペア:

[(1, 20123994), (2, 10061997), (3, 6707998), (6, 3353999), (11, 1829454), (22, 914727), (33, 609818), (53, 379698), (66, 304909), (106, 189849), (121, 166314), (159, 126566), (242, 83157), (318, 63283), (363, 55438), (523, 38478), (583, 34518), (726, 27719), (1046, 19239), (1166, 17259), (1569, 12826), (1749, 11506), (3138, 6413), (3498, 5753)]