2000994132380

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{3121}}^1\times {\mathrm{31771}}^1$

素因数の和:35910

約数の個数: 48

約数和(自身を含む): 4207732445280

約数和(自身を除く): 2206738312900

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 3121, 4036, 5045, 6242, 10090, 12484, 15605, 20180, 31210, 31771, 62420, 63542, 127084, 158855, 317710, 635420, 3149089, 6298178, 12596356, 15745445, 31490890, 32056939, 62981780, 64113878, 99157291, 128227756, 160284695, 198314582, 320569390, 396629164, 495786455, 641138780, 991572910, 1983145820, 100049706619, 200099413238, 400198826476, 500248533095, 1000497066190, 2000994132380]

約数ペア:

[(1, 2000994132380), (2, 1000497066190), (4, 500248533095), (5, 400198826476), (10, 200099413238), (20, 100049706619), (1009, 1983145820), (2018, 991572910), (3121, 641138780), (4036, 495786455), (5045, 396629164), (6242, 320569390), (10090, 198314582), (12484, 160284695), (15605, 128227756), (20180, 99157291), (31210, 64113878), (31771, 62981780), (62420, 32056939), (63542, 31490890), (127084, 15745445), (158855, 12596356), (317710, 6298178), (635420, 3149089)]