20790330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^2$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 54650592

約数和(自身を除く): 33860262

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 251, 330, 502, 753, 1255, 1506, 2510, 2761, 3765, 5522, 7530, 8283, 13805, 16566, 27610, 41415, 63001, 82830, 126002, 189003, 315005, 378006, 630010, 693011, 945015, 1386022, 1890030, 2079033, 3465055, 4158066, 6930110, 10395165, 20790330]

約数ペア:

[(1, 20790330), (2, 10395165), (3, 6930110), (5, 4158066), (6, 3465055), (10, 2079033), (11, 1890030), (15, 1386022), (22, 945015), (30, 693011), (33, 630010), (55, 378006), (66, 315005), (110, 189003), (165, 126002), (251, 82830), (330, 63001), (502, 41415), (753, 27610), (1255, 16566), (1506, 13805), (2510, 8283), (2761, 7530), (3765, 5522)]