20117087984

素因数分解:

$2^4\times 7^2\times {\mathrm{479}}^1\times {\mathrm{53569}}^1$

素因数の和:54070

約数の個数: 60

約数和(自身を含む): 45435931200

約数和(自身を除く): 25318843216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 479, 784, 958, 1916, 3353, 3832, 6706, 7664, 13412, 23471, 26824, 46942, 53569, 53648, 93884, 107138, 187768, 214276, 374983, 375536, 428552, 749966, 857104, 1499932, 2624881, 2999864, 5249762, 5999728, 10499524, 20999048, 25659551, 41998096, 51319102, 102638204, 179616857, 205276408, 359233714, 410552816, 718467428, 1257317999, 1436934856, 2514635998, 2873869712, 5029271996, 10058543992, 20117087984]

約数ペア:

[(1, 20117087984), (2, 10058543992), (4, 5029271996), (7, 2873869712), (8, 2514635998), (14, 1436934856), (16, 1257317999), (28, 718467428), (49, 410552816), (56, 359233714), (98, 205276408), (112, 179616857), (196, 102638204), (392, 51319102), (479, 41998096), (784, 25659551), (958, 20999048), (1916, 10499524), (3353, 5999728), (3832, 5249762), (6706, 2999864), (7664, 2624881), (13412, 1499932), (23471, 857104), (26824, 749966), (46942, 428552), (53569, 375536), (53648, 374983), (93884, 214276), (107138, 187768)]