20199875824

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{155269}}^1$

素因数の和:155497

約数の個数: 40

約数和(自身を含む): 40201266240

約数和(自身を除く): 20001390416

約数列:

[1, 2, 4, 8, 16, 47, 94, 173, 188, 346, 376, 692, 752, 1384, 2768, 8131, 16262, 32524, 65048, 130096, 155269, 310538, 621076, 1242152, 2484304, 7297643, 14595286, 26861537, 29190572, 53723074, 58381144, 107446148, 116762288, 214892296, 429784592, 1262492239, 2524984478, 5049968956, 10099937912, 20199875824]

約数ペア:

[(1, 20199875824), (2, 10099937912), (4, 5049968956), (8, 2524984478), (16, 1262492239), (47, 429784592), (94, 214892296), (173, 116762288), (188, 107446148), (346, 58381144), (376, 53723074), (692, 29190572), (752, 26861537), (1384, 14595286), (2768, 7297643), (8131, 2484304), (16262, 1242152), (32524, 621076), (65048, 310538), (130096, 155269)]