20142080

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{281}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 55429920

約数和(自身を除く): 35287840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 281, 320, 448, 512, 560, 562, 640, 896, 1024, 1120, 1124, 1280, 1405, 1792, 1967, 2048, 2240, 2248, 2560, 2810, 3584, 3934, 4480, 4496, 5120, 5620, 7168, 7868, 8960, 8992, 9835, 10240, 11240, 14336, 15736, 17920, 17984, 19670, 22480, 31472, 35840, 35968, 39340, 44960, 62944, 71680, 71936, 78680, 89920, 125888, 143872, 157360, 179840, 251776, 287744, 314720, 359680, 503552, 575488, 629440, 719360, 1007104, 1258880, 1438720, 2014208, 2517760, 2877440, 4028416, 5035520, 10071040, 20142080]

約数ペア:

[(1, 20142080), (2, 10071040), (4, 5035520), (5, 4028416), (7, 2877440), (8, 2517760), (10, 2014208), (14, 1438720), (16, 1258880), (20, 1007104), (28, 719360), (32, 629440), (35, 575488), (40, 503552), (56, 359680), (64, 314720), (70, 287744), (80, 251776), (112, 179840), (128, 157360), (140, 143872), (160, 125888), (224, 89920), (256, 78680), (280, 71936), (281, 71680), (320, 62944), (448, 44960), (512, 39340), (560, 35968), (562, 35840), (640, 31472), (896, 22480), (1024, 19670), (1120, 17984), (1124, 17920), (1280, 15736), (1405, 14336), (1792, 11240), (1967, 10240), (2048, 9835), (2240, 8992), (2248, 8960), (2560, 7868), (2810, 7168), (3584, 5620), (3934, 5120), (4480, 4496)]