20146758920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{34057}}^1$

素因数の和:34734

約数の個数: 64

約数和(自身を含む): 47376040320

約数和(自身を除く): 27229281400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 643, 920, 1286, 2572, 3215, 5144, 6430, 12860, 14789, 25720, 29578, 34057, 59156, 68114, 73945, 118312, 136228, 147890, 170285, 272456, 295780, 340570, 591560, 681140, 783311, 1362280, 1566622, 3133244, 3916555, 6266488, 7833110, 15666220, 21898651, 31332440, 43797302, 87594604, 109493255, 175189208, 218986510, 437973020, 503668973, 875946040, 1007337946, 2014675892, 2518344865, 4029351784, 5036689730, 10073379460, 20146758920]

約数ペア:

[(1, 20146758920), (2, 10073379460), (4, 5036689730), (5, 4029351784), (8, 2518344865), (10, 2014675892), (20, 1007337946), (23, 875946040), (40, 503668973), (46, 437973020), (92, 218986510), (115, 175189208), (184, 109493255), (230, 87594604), (460, 43797302), (643, 31332440), (920, 21898651), (1286, 15666220), (2572, 7833110), (3215, 6266488), (5144, 3916555), (6430, 3133244), (12860, 1566622), (14789, 1362280), (25720, 783311), (29578, 681140), (34057, 591560), (59156, 340570), (68114, 295780), (73945, 272456), (118312, 170285), (136228, 147890)]