16739620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{13721}}^1$

素因数の和:13791

約数の個数: 24

約数和(自身を含む): 35732088

約数和(自身を除く): 18992468

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 13721, 27442, 54884, 68605, 137210, 274420, 836981, 1673962, 3347924, 4184905, 8369810, 16739620]

約数ペア:

[(1, 16739620), (2, 8369810), (4, 4184905), (5, 3347924), (10, 1673962), (20, 836981), (61, 274420), (122, 137210), (244, 68605), (305, 54884), (610, 27442), (1220, 13721)]