20087808

素因数分解:

$2^{10}\times 3^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:539

約数の個数: 88

約数和(自身を含む): 57774528

約数和(自身を除く): 37686720

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 503, 512, 624, 768, 832, 1006, 1024, 1248, 1509, 1536, 1664, 2012, 2496, 3018, 3072, 3328, 4024, 4992, 6036, 6539, 6656, 8048, 9984, 12072, 13078, 13312, 16096, 19617, 19968, 24144, 26156, 32192, 39234, 39936, 48288, 52312, 64384, 78468, 96576, 104624, 128768, 156936, 193152, 209248, 257536, 313872, 386304, 418496, 515072, 627744, 772608, 836992, 1255488, 1545216, 1673984, 2510976, 3347968, 5021952, 6695936, 10043904, 20087808]

約数ペア:

[(1, 20087808), (2, 10043904), (3, 6695936), (4, 5021952), (6, 3347968), (8, 2510976), (12, 1673984), (13, 1545216), (16, 1255488), (24, 836992), (26, 772608), (32, 627744), (39, 515072), (48, 418496), (52, 386304), (64, 313872), (78, 257536), (96, 209248), (104, 193152), (128, 156936), (156, 128768), (192, 104624), (208, 96576), (256, 78468), (312, 64384), (384, 52312), (416, 48288), (503, 39936), (512, 39234), (624, 32192), (768, 26156), (832, 24144), (1006, 19968), (1024, 19617), (1248, 16096), (1509, 13312), (1536, 13078), (1664, 12072), (2012, 9984), (2496, 8048), (3018, 6656), (3072, 6539), (3328, 6036), (4024, 4992)]