206947020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{492731}}^1$

素因数の和:492750

約数の個数: 48

約数和(自身を含む): 662231808

約数和(自身を除く): 455284788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 492731, 985462, 1478193, 1970924, 2463655, 2956386, 3449117, 4927310, 5912772, 6898234, 7390965, 9854620, 10347351, 13796468, 14781930, 17245585, 20694702, 29563860, 34491170, 41389404, 51736755, 68982340, 103473510, 206947020]

約数ペア:

[(1, 206947020), (2, 103473510), (3, 68982340), (4, 51736755), (5, 41389404), (6, 34491170), (7, 29563860), (10, 20694702), (12, 17245585), (14, 14781930), (15, 13796468), (20, 10347351), (21, 9854620), (28, 7390965), (30, 6898234), (35, 5912772), (42, 4927310), (60, 3449117), (70, 2956386), (84, 2463655), (105, 1970924), (140, 1478193), (210, 985462), (420, 492731)]