20887510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1667}}^1$

素因数の和:1860

約数の個数: 32

約数和(自身を含む): 43234560

約数和(自身を除く): 22347050

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 179, 358, 895, 1253, 1667, 1790, 2506, 3334, 6265, 8335, 11669, 12530, 16670, 23338, 58345, 116690, 298393, 596786, 1491965, 2088751, 2983930, 4177502, 10443755, 20887510]

約数ペア:

[(1, 20887510), (2, 10443755), (5, 4177502), (7, 2983930), (10, 2088751), (14, 1491965), (35, 596786), (70, 298393), (179, 116690), (358, 58345), (895, 23338), (1253, 16670), (1667, 12530), (1790, 11669), (2506, 8335), (3334, 6265)]