20515698

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{162823}}^1$

素因数の和:162838

約数の個数: 24

約数和(自身を含む): 50801088

約数和(自身を除く): 30285390

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 162823, 325646, 488469, 976938, 1139761, 1465407, 2279522, 2930814, 3419283, 6838566, 10257849, 20515698]

約数ペア:

[(1, 20515698), (2, 10257849), (3, 6838566), (6, 3419283), (7, 2930814), (9, 2279522), (14, 1465407), (18, 1139761), (21, 976938), (42, 488469), (63, 325646), (126, 162823)]