20515446

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{162821}}^1$

素因数の和:162836

約数の個数: 24

約数和(自身を含む): 50800464

約数和(自身を除く): 30285018

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 162821, 325642, 488463, 976926, 1139747, 1465389, 2279494, 2930778, 3419241, 6838482, 10257723, 20515446]

約数ペア:

[(1, 20515446), (2, 10257723), (3, 6838482), (6, 3419241), (7, 2930778), (9, 2279494), (14, 1465389), (18, 1139747), (21, 976926), (42, 488463), (63, 325642), (126, 162821)]