20537856

素因数分解:

$2^9\times 3^2\times {\mathrm{4457}}^1$

素因数の和:4481

約数の個数: 60

約数和(自身を含む): 59286942

約数和(自身を除く): 38749086

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, 4457, 4608, 8914, 13371, 17828, 26742, 35656, 40113, 53484, 71312, 80226, 106968, 142624, 160452, 213936, 285248, 320904, 427872, 570496, 641808, 855744, 1140992, 1283616, 1711488, 2281984, 2567232, 3422976, 5134464, 6845952, 10268928, 20537856]

約数ペア:

[(1, 20537856), (2, 10268928), (3, 6845952), (4, 5134464), (6, 3422976), (8, 2567232), (9, 2281984), (12, 1711488), (16, 1283616), (18, 1140992), (24, 855744), (32, 641808), (36, 570496), (48, 427872), (64, 320904), (72, 285248), (96, 213936), (128, 160452), (144, 142624), (192, 106968), (256, 80226), (288, 71312), (384, 53484), (512, 40113), (576, 35656), (768, 26742), (1152, 17828), (1536, 13371), (2304, 8914), (4457, 4608)]