20841984

素因数分解:

$2^9\times 3^2\times {\mathrm{4523}}^1$

素因数の和:4547

約数の個数: 60

約数和(自身を含む): 60164676

約数和(自身を除く): 39322692

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4523, 4608, 9046, 13569, 18092, 27138, 36184, 40707, 54276, 72368, 81414, 108552, 144736, 162828, 217104, 289472, 325656, 434208, 578944, 651312, 868416, 1157888, 1302624, 1736832, 2315776, 2605248, 3473664, 5210496, 6947328, 10420992, 20841984]

約数ペア:

[(1, 20841984), (2, 10420992), (3, 6947328), (4, 5210496), (6, 3473664), (8, 2605248), (9, 2315776), (12, 1736832), (16, 1302624), (18, 1157888), (24, 868416), (32, 651312), (36, 578944), (48, 434208), (64, 325656), (72, 289472), (96, 217104), (128, 162828), (144, 144736), (192, 108552), (256, 81414), (288, 72368), (384, 54276), (512, 40707), (576, 36184), (768, 27138), (1152, 18092), (1536, 13569), (2304, 9046), (4523, 4608)]