20800752

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2046

約数の個数: 80

約数和(自身を含む): 63424512

約数和(自身を除く): 42623760

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 1997, 2604, 3472, 3994, 5208, 5991, 7988, 10416, 11982, 13979, 15976, 23964, 27958, 31952, 41937, 47928, 55916, 61907, 83874, 95856, 111832, 123814, 167748, 185721, 223664, 247628, 335496, 371442, 433349, 495256, 670992, 742884, 866698, 990512, 1300047, 1485768, 1733396, 2600094, 2971536, 3466792, 5200188, 6933584, 10400376, 20800752]

約数ペア:

[(1, 20800752), (2, 10400376), (3, 6933584), (4, 5200188), (6, 3466792), (7, 2971536), (8, 2600094), (12, 1733396), (14, 1485768), (16, 1300047), (21, 990512), (24, 866698), (28, 742884), (31, 670992), (42, 495256), (48, 433349), (56, 371442), (62, 335496), (84, 247628), (93, 223664), (112, 185721), (124, 167748), (168, 123814), (186, 111832), (217, 95856), (248, 83874), (336, 61907), (372, 55916), (434, 47928), (496, 41937), (651, 31952), (744, 27958), (868, 23964), (1302, 15976), (1488, 13979), (1736, 11982), (1997, 10416), (2604, 7988), (3472, 5991), (3994, 5208)]