16429420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{117353}}^1$

素因数の和:117369

約数の個数: 24

約数和(自身を含む): 39430944

約数和(自身を除く): 23001524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 117353, 234706, 469412, 586765, 821471, 1173530, 1642942, 2347060, 3285884, 4107355, 8214710, 16429420]

約数ペア:

[(1, 16429420), (2, 8214710), (4, 4107355), (5, 3285884), (7, 2347060), (10, 1642942), (14, 1173530), (20, 821471), (28, 586765), (35, 469412), (70, 234706), (140, 117353)]