20769504

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1048

約数の個数: 96

約数和(自身を含む): 64382976

約数和(自身を除く): 43613472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 84, 93, 96, 112, 124, 168, 186, 217, 224, 248, 336, 372, 434, 496, 651, 672, 744, 868, 992, 997, 1302, 1488, 1736, 1994, 2604, 2976, 2991, 3472, 3988, 5208, 5982, 6944, 6979, 7976, 10416, 11964, 13958, 15952, 20832, 20937, 23928, 27916, 30907, 31904, 41874, 47856, 55832, 61814, 83748, 92721, 95712, 111664, 123628, 167496, 185442, 216349, 223328, 247256, 334992, 370884, 432698, 494512, 649047, 669984, 741768, 865396, 989024, 1298094, 1483536, 1730792, 2596188, 2967072, 3461584, 5192376, 6923168, 10384752, 20769504]

約数ペア:

[(1, 20769504), (2, 10384752), (3, 6923168), (4, 5192376), (6, 3461584), (7, 2967072), (8, 2596188), (12, 1730792), (14, 1483536), (16, 1298094), (21, 989024), (24, 865396), (28, 741768), (31, 669984), (32, 649047), (42, 494512), (48, 432698), (56, 370884), (62, 334992), (84, 247256), (93, 223328), (96, 216349), (112, 185442), (124, 167496), (168, 123628), (186, 111664), (217, 95712), (224, 92721), (248, 83748), (336, 61814), (372, 55832), (434, 47856), (496, 41874), (651, 31904), (672, 30907), (744, 27916), (868, 23928), (992, 20937), (997, 20832), (1302, 15952), (1488, 13958), (1736, 11964), (1994, 10416), (2604, 7976), (2976, 6979), (2991, 6944), (3472, 5982), (3988, 5208)]