20701560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15683}}^1$

素因数の和:15708

約数の個数: 64

約数和(自身を含む): 67754880

約数和(自身を除く): 47053320

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, 15683, 31366, 47049, 62732, 78415, 94098, 125464, 156830, 172513, 188196, 235245, 313660, 345026, 376392, 470490, 517539, 627320, 690052, 862565, 940980, 1035078, 1380104, 1725130, 1881960, 2070156, 2587695, 3450260, 4140312, 5175390, 6900520, 10350780, 20701560]

約数ペア:

[(1, 20701560), (2, 10350780), (3, 6900520), (4, 5175390), (5, 4140312), (6, 3450260), (8, 2587695), (10, 2070156), (11, 1881960), (12, 1725130), (15, 1380104), (20, 1035078), (22, 940980), (24, 862565), (30, 690052), (33, 627320), (40, 517539), (44, 470490), (55, 376392), (60, 345026), (66, 313660), (88, 235245), (110, 188196), (120, 172513), (132, 156830), (165, 125464), (220, 94098), (264, 78415), (330, 62732), (440, 47049), (660, 31366), (1320, 15683)]