20951922

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 45711072

約数和(自身を除く): 24759150

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 129, 258, 281, 289, 562, 578, 731, 843, 867, 1462, 1686, 1734, 2193, 4386, 4777, 9554, 12083, 12427, 14331, 24166, 24854, 28662, 36249, 37281, 72498, 74562, 81209, 162418, 205411, 243627, 410822, 487254, 616233, 1232466, 3491987, 6983974, 10475961, 20951922]

約数ペア:

[(1, 20951922), (2, 10475961), (3, 6983974), (6, 3491987), (17, 1232466), (34, 616233), (43, 487254), (51, 410822), (86, 243627), (102, 205411), (129, 162418), (258, 81209), (281, 74562), (289, 72498), (562, 37281), (578, 36249), (731, 28662), (843, 24854), (867, 24166), (1462, 14331), (1686, 12427), (1734, 12083), (2193, 9554), (4386, 4777)]