20002740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7753}}^1$

素因数の和:7808

約数の個数: 48

約数和(自身を含む): 57317568

約数和(自身を除く): 37314828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7753, 15506, 23259, 31012, 38765, 46518, 77530, 93036, 116295, 155060, 232590, 333379, 465180, 666758, 1000137, 1333516, 1666895, 2000274, 3333790, 4000548, 5000685, 6667580, 10001370, 20002740]

約数ペア:

[(1, 20002740), (2, 10001370), (3, 6667580), (4, 5000685), (5, 4000548), (6, 3333790), (10, 2000274), (12, 1666895), (15, 1333516), (20, 1000137), (30, 666758), (43, 465180), (60, 333379), (86, 232590), (129, 155060), (172, 116295), (215, 93036), (258, 77530), (430, 46518), (516, 38765), (645, 31012), (860, 23259), (1290, 15506), (2580, 7753)]