20005740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111143}}^1$

素因数の和:111158

約数の個数: 36

約数和(自身を含む): 60684624

約数和(自身を除く): 40678884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111143, 222286, 333429, 444572, 555715, 666858, 1000287, 1111430, 1333716, 1667145, 2000574, 2222860, 3334290, 4001148, 5001435, 6668580, 10002870, 20005740]

約数ペア:

[(1, 20005740), (2, 10002870), (3, 6668580), (4, 5001435), (5, 4001148), (6, 3334290), (9, 2222860), (10, 2000574), (12, 1667145), (15, 1333716), (18, 1111430), (20, 1000287), (30, 666858), (36, 555715), (45, 444572), (60, 333429), (90, 222286), (180, 111143)]