20090721308

素因数分解:

$2^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1998679}}^1$

素因数の和:1999049

約数の個数: 24

約数和(自身を含む): 40293388800

約数和(自身を除く): 20202667492

約数列:

[1, 2, 4, 7, 14, 28, 359, 718, 1436, 2513, 5026, 10052, 1998679, 3997358, 7994716, 13990753, 27981506, 55963012, 717525761, 1435051522, 2870103044, 5022680327, 10045360654, 20090721308]

約数ペア:

[(1, 20090721308), (2, 10045360654), (4, 5022680327), (7, 2870103044), (14, 1435051522), (28, 717525761), (359, 55963012), (718, 27981506), (1436, 13990753), (2513, 7994716), (5026, 3997358), (10052, 1998679)]