20218368

素因数分解:

$2^9\times 3^1\times {\mathrm{13163}}^1$

素因数の和:13184

約数の個数: 40

約数和(自身を含む): 53867088

約数和(自身を除く): 33648720

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 13163, 26326, 39489, 52652, 78978, 105304, 157956, 210608, 315912, 421216, 631824, 842432, 1263648, 1684864, 2527296, 3369728, 5054592, 6739456, 10109184, 20218368]

約数ペア:

[(1, 20218368), (2, 10109184), (3, 6739456), (4, 5054592), (6, 3369728), (8, 2527296), (12, 1684864), (16, 1263648), (24, 842432), (32, 631824), (48, 421216), (64, 315912), (96, 210608), (128, 157956), (192, 105304), (256, 78978), (384, 52652), (512, 39489), (768, 26326), (1536, 13163)]