20245900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{3319}}^1$

素因数の和:3394

約数の個数: 36

約数和(自身を含む): 44667280

約数和(自身を除く): 24421380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 3319, 6100, 6638, 13276, 16595, 33190, 66380, 82975, 165950, 202459, 331900, 404918, 809836, 1012295, 2024590, 4049180, 5061475, 10122950, 20245900]

約数ペア:

[(1, 20245900), (2, 10122950), (4, 5061475), (5, 4049180), (10, 2024590), (20, 1012295), (25, 809836), (50, 404918), (61, 331900), (100, 202459), (122, 165950), (244, 82975), (305, 66380), (610, 33190), (1220, 16595), (1525, 13276), (3050, 6638), (3319, 6100)]