20771328

素因数分解:

$2^9\times 3^1\times {\mathrm{13523}}^1$

素因数の和:13544

約数の個数: 40

約数和(自身を含む): 55340208

約数和(自身を除く): 34568880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 13523, 27046, 40569, 54092, 81138, 108184, 162276, 216368, 324552, 432736, 649104, 865472, 1298208, 1730944, 2596416, 3461888, 5192832, 6923776, 10385664, 20771328]

約数ペア:

[(1, 20771328), (2, 10385664), (3, 6923776), (4, 5192832), (6, 3461888), (8, 2596416), (12, 1730944), (16, 1298208), (24, 865472), (32, 649104), (48, 432736), (64, 324552), (96, 216368), (128, 162276), (192, 108184), (256, 81138), (384, 54092), (512, 40569), (768, 27046), (1536, 13523)]