204810020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{4111}}^1$

素因数の和:4220

約数の個数: 48

約数和(自身を含む): 447648768

約数和(自身を除く): 242838748

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 470, 530, 940, 1060, 2491, 4111, 4982, 8222, 9964, 12455, 16444, 20555, 24910, 41110, 49820, 82220, 193217, 217883, 386434, 435766, 772868, 871532, 966085, 1089415, 1932170, 2178830, 3864340, 4357660, 10240501, 20481002, 40962004, 51202505, 102405010, 204810020]

約数ペア:

[(1, 204810020), (2, 102405010), (4, 51202505), (5, 40962004), (10, 20481002), (20, 10240501), (47, 4357660), (53, 3864340), (94, 2178830), (106, 1932170), (188, 1089415), (212, 966085), (235, 871532), (265, 772868), (470, 435766), (530, 386434), (940, 217883), (1060, 193217), (2491, 82220), (4111, 49820), (4982, 41110), (8222, 24910), (9964, 20555), (12455, 16444)]