20006802820

素因数分解:

$2^2\times 5^1\times {\mathrm{1879}}^1\times {\mathrm{532379}}^1$

素因数の和:534267

約数の個数: 24

約数和(自身を含む): 42036724800

約数和(自身を除く): 22029921980

約数列:

[1, 2, 4, 5, 10, 20, 1879, 3758, 7516, 9395, 18790, 37580, 532379, 1064758, 2129516, 2661895, 5323790, 10647580, 1000340141, 2000680282, 4001360564, 5001700705, 10003401410, 20006802820]

約数ペア:

[(1, 20006802820), (2, 10003401410), (4, 5001700705), (5, 4001360564), (10, 2000680282), (20, 1000340141), (1879, 10647580), (3758, 5323790), (7516, 2661895), (9395, 2129516), (18790, 1064758), (37580, 532379)]