20153856

素因数分解:

$2^9\times 3^1\times {\mathrm{13121}}^1$

素因数の和:13142

約数の個数: 40

約数和(自身を含む): 53695224

約数和(自身を除く): 33541368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 13121, 26242, 39363, 52484, 78726, 104968, 157452, 209936, 314904, 419872, 629808, 839744, 1259616, 1679488, 2519232, 3358976, 5038464, 6717952, 10076928, 20153856]

約数ペア:

[(1, 20153856), (2, 10076928), (3, 6717952), (4, 5038464), (6, 3358976), (8, 2519232), (12, 1679488), (16, 1259616), (24, 839744), (32, 629808), (48, 419872), (64, 314904), (96, 209936), (128, 157452), (192, 104968), (256, 78726), (384, 52484), (512, 39363), (768, 26242), (1536, 13121)]