20173480985

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8118101}}^1$

素因数の和:8118184

約数の個数: 16

約数和(自身を含む): 28056160512

約数和(自身を除く): 7882679527

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 8118101, 40590505, 56826707, 284133535, 576385171, 2881925855, 4034696197, 20173480985]

約数ペア:

[(1, 20173480985), (5, 4034696197), (7, 2881925855), (35, 576385171), (71, 284133535), (355, 56826707), (497, 40590505), (2485, 8118101)]