20687112592

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1041857}}^1$

素因数の和:1041955

約数の個数: 40

約数和(自身を含む): 43020400536

約数和(自身を除く): 22333287944

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 73, 136, 146, 272, 292, 584, 1168, 1241, 2482, 4964, 9928, 19856, 1041857, 2083714, 4167428, 8334856, 16669712, 17711569, 35423138, 70846276, 76055561, 141692552, 152111122, 283385104, 304222244, 608444488, 1216888976, 1292944537, 2585889074, 5171778148, 10343556296, 20687112592]

約数ペア:

[(1, 20687112592), (2, 10343556296), (4, 5171778148), (8, 2585889074), (16, 1292944537), (17, 1216888976), (34, 608444488), (68, 304222244), (73, 283385104), (136, 152111122), (146, 141692552), (272, 76055561), (292, 70846276), (584, 35423138), (1168, 17711569), (1241, 16669712), (2482, 8334856), (4964, 4167428), (9928, 2083714), (19856, 1041857)]