20161697960

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{921467}}^1$

素因数の和:922025

約数の個数: 32

約数和(自身を含む): 45446801760

約数和(自身を除く): 25285103800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 1094, 2188, 2735, 4376, 5470, 10940, 21880, 921467, 1842934, 3685868, 4607335, 7371736, 9214670, 18429340, 36858680, 504042449, 1008084898, 2016169796, 2520212245, 4032339592, 5040424490, 10080848980, 20161697960]

約数ペア:

[(1, 20161697960), (2, 10080848980), (4, 5040424490), (5, 4032339592), (8, 2520212245), (10, 2016169796), (20, 1008084898), (40, 504042449), (547, 36858680), (1094, 18429340), (2188, 9214670), (2735, 7371736), (4376, 4607335), (5470, 3685868), (10940, 1842934), (21880, 921467)]