20926486

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{521}}^1$

素因数の和:700

約数の個数: 32

約数和(自身を含む): 38085120

約数和(自身を除く): 17158634

約数列:

[1, 2, 7, 14, 19, 38, 133, 151, 266, 302, 521, 1042, 1057, 2114, 2869, 3647, 5738, 7294, 9899, 19798, 20083, 40166, 69293, 78671, 138586, 157342, 550697, 1101394, 1494749, 2989498, 10463243, 20926486]

約数ペア:

[(1, 20926486), (2, 10463243), (7, 2989498), (14, 1494749), (19, 1101394), (38, 550697), (133, 157342), (151, 138586), (266, 78671), (302, 69293), (521, 40166), (1042, 20083), (1057, 19798), (2114, 9899), (2869, 7294), (3647, 5738)]