20264944

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 48211200

約数和(自身を除く): 27946256

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 89, 107, 112, 133, 152, 178, 214, 266, 304, 356, 428, 532, 623, 712, 749, 856, 1064, 1246, 1424, 1498, 1691, 1712, 2033, 2128, 2492, 2996, 3382, 4066, 4984, 5992, 6764, 8132, 9523, 9968, 11837, 11984, 13528, 14231, 16264, 19046, 23674, 27056, 28462, 32528, 38092, 47348, 56924, 66661, 76184, 94696, 113848, 133322, 152368, 180937, 189392, 227696, 266644, 361874, 533288, 723748, 1066576, 1266559, 1447496, 2533118, 2894992, 5066236, 10132472, 20264944]

約数ペア:

[(1, 20264944), (2, 10132472), (4, 5066236), (7, 2894992), (8, 2533118), (14, 1447496), (16, 1266559), (19, 1066576), (28, 723748), (38, 533288), (56, 361874), (76, 266644), (89, 227696), (107, 189392), (112, 180937), (133, 152368), (152, 133322), (178, 113848), (214, 94696), (266, 76184), (304, 66661), (356, 56924), (428, 47348), (532, 38092), (623, 32528), (712, 28462), (749, 27056), (856, 23674), (1064, 19046), (1246, 16264), (1424, 14231), (1498, 13528), (1691, 11984), (1712, 11837), (2033, 9968), (2128, 9523), (2492, 8132), (2996, 6764), (3382, 5992), (4066, 4984)]