20921890440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15849917}}^1$

素因数の和:15849942

約数の個数: 64

約数和(自身を含む): 68471645760

約数和(自身を除く): 47549755320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15849917, 31699834, 47549751, 63399668, 79249585, 95099502, 126799336, 158499170, 174349087, 190199004, 237748755, 316998340, 348698174, 380398008, 475497510, 523047261, 633996680, 697396348, 871745435, 950995020, 1046094522, 1394792696, 1743490870, 1901990040, 2092189044, 2615236305, 3486981740, 4184378088, 5230472610, 6973963480, 10460945220, 20921890440]

約数ペア:

[(1, 20921890440), (2, 10460945220), (3, 6973963480), (4, 5230472610), (5, 4184378088), (6, 3486981740), (8, 2615236305), (10, 2092189044), (11, 1901990040), (12, 1743490870), (15, 1394792696), (20, 1046094522), (22, 950995020), (24, 871745435), (30, 697396348), (33, 633996680), (40, 523047261), (44, 475497510), (55, 380398008), (60, 348698174), (66, 316998340), (88, 237748755), (110, 190199004), (120, 174349087), (132, 158499170), (165, 126799336), (220, 95099502), (264, 79249585), (330, 63399668), (440, 47549751), (660, 31699834), (1320, 15849917)]