20419812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81031}}^1$

素因数の和:81048

約数の個数: 36

約数和(自身を含む): 58991296

約数和(自身を除く): 38571484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81031, 162062, 243093, 324124, 486186, 567217, 729279, 972372, 1134434, 1458558, 1701651, 2268868, 2917116, 3403302, 5104953, 6806604, 10209906, 20419812]

約数ペア:

[(1, 20419812), (2, 10209906), (3, 6806604), (4, 5104953), (6, 3403302), (7, 2917116), (9, 2268868), (12, 1701651), (14, 1458558), (18, 1134434), (21, 972372), (28, 729279), (36, 567217), (42, 486186), (63, 324124), (84, 243093), (126, 162062), (252, 81031)]