20139959168

素因数分解:

$2^7\times 7^1\times {\mathrm{79}}^1\times {\mathrm{284527}}^1$

素因数の和:284627

約数の個数: 64

約数和(自身を含む): 46434969600

約数和(自身を除く): 26295010432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 224, 316, 448, 553, 632, 896, 1106, 1264, 2212, 2528, 4424, 5056, 8848, 10112, 17696, 35392, 70784, 284527, 569054, 1138108, 1991689, 2276216, 3983378, 4552432, 7966756, 9104864, 15933512, 18209728, 22477633, 31867024, 36419456, 44955266, 63734048, 89910532, 127468096, 157343431, 179821064, 254936192, 314686862, 359642128, 629373724, 719284256, 1258747448, 1438568512, 2517494896, 2877137024, 5034989792, 10069979584, 20139959168]

約数ペア:

[(1, 20139959168), (2, 10069979584), (4, 5034989792), (7, 2877137024), (8, 2517494896), (14, 1438568512), (16, 1258747448), (28, 719284256), (32, 629373724), (56, 359642128), (64, 314686862), (79, 254936192), (112, 179821064), (128, 157343431), (158, 127468096), (224, 89910532), (316, 63734048), (448, 44955266), (553, 36419456), (632, 31867024), (896, 22477633), (1106, 18209728), (1264, 15933512), (2212, 9104864), (2528, 7966756), (4424, 4552432), (5056, 3983378), (8848, 2276216), (10112, 1991689), (17696, 1138108), (35392, 569054), (70784, 284527)]