20780368512

素因数分解:

$2^7\times 3^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{4447}}^1$

素因数の和:4790

約数の個数: 128

約数和(自身を含む): 56693852160

約数和(自身を除く): 35913483648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 258, 283, 344, 384, 516, 566, 688, 849, 1032, 1132, 1376, 1698, 2064, 2264, 2752, 3396, 4128, 4447, 4528, 5504, 6792, 8256, 8894, 9056, 12169, 13341, 13584, 16512, 17788, 18112, 24338, 26682, 27168, 35576, 36224, 36507, 48676, 53364, 54336, 71152, 73014, 97352, 106728, 108672, 142304, 146028, 191221, 194704, 213456, 284608, 292056, 382442, 389408, 426912, 569216, 573663, 584112, 764884, 778816, 853824, 1147326, 1168224, 1258501, 1529768, 1557632, 1707648, 2294652, 2336448, 2517002, 3059536, 3775503, 4589304, 4672896, 5034004, 6119072, 7551006, 9178608, 10068008, 12238144, 15102012, 18357216, 20136016, 24476288, 30204024, 36714432, 40272032, 54115543, 60408048, 73428864, 80544064, 108231086, 120816096, 161088128, 162346629, 216462172, 241632192, 324693258, 432924344, 483264384, 649386516, 865848688, 1298773032, 1731697376, 2597546064, 3463394752, 5195092128, 6926789504, 10390184256, 20780368512]

約数ペア:

[(1, 20780368512), (2, 10390184256), (3, 6926789504), (4, 5195092128), (6, 3463394752), (8, 2597546064), (12, 1731697376), (16, 1298773032), (24, 865848688), (32, 649386516), (43, 483264384), (48, 432924344), (64, 324693258), (86, 241632192), (96, 216462172), (128, 162346629), (129, 161088128), (172, 120816096), (192, 108231086), (258, 80544064), (283, 73428864), (344, 60408048), (384, 54115543), (516, 40272032), (566, 36714432), (688, 30204024), (849, 24476288), (1032, 20136016), (1132, 18357216), (1376, 15102012), (1698, 12238144), (2064, 10068008), (2264, 9178608), (2752, 7551006), (3396, 6119072), (4128, 5034004), (4447, 4672896), (4528, 4589304), (5504, 3775503), (6792, 3059536), (8256, 2517002), (8894, 2336448), (9056, 2294652), (12169, 1707648), (13341, 1557632), (13584, 1529768), (16512, 1258501), (17788, 1168224), (18112, 1147326), (24338, 853824), (26682, 778816), (27168, 764884), (35576, 584112), (36224, 573663), (36507, 569216), (48676, 426912), (53364, 389408), (54336, 382442), (71152, 292056), (73014, 284608), (97352, 213456), (106728, 194704), (108672, 191221), (142304, 146028)]