20930644

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4643}}^1$

素因数の和:4684

約数の個数: 36

約数和(自身を含む): 44470944

約数和(自身を除く): 23540300

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 4643, 9286, 18572, 32501, 65002, 106789, 130004, 213578, 227507, 427156, 455014, 747523, 910028, 1495046, 2990092, 5232661, 10465322, 20930644]

約数ペア:

[(1, 20930644), (2, 10465322), (4, 5232661), (7, 2990092), (14, 1495046), (23, 910028), (28, 747523), (46, 455014), (49, 427156), (92, 227507), (98, 213578), (161, 130004), (196, 106789), (322, 65002), (644, 32501), (1127, 18572), (2254, 9286), (4508, 4643)]