20049800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5897}}^1$

素因数の和:5930

約数の個数: 48

約数和(自身を含む): 49366260

約数和(自身を除く): 29316460

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 5897, 11794, 23588, 29485, 47176, 58970, 100249, 117940, 147425, 200498, 235880, 294850, 400996, 501245, 589700, 801992, 1002490, 1179400, 2004980, 2506225, 4009960, 5012450, 10024900, 20049800]

約数ペア:

[(1, 20049800), (2, 10024900), (4, 5012450), (5, 4009960), (8, 2506225), (10, 2004980), (17, 1179400), (20, 1002490), (25, 801992), (34, 589700), (40, 501245), (50, 400996), (68, 294850), (85, 235880), (100, 200498), (136, 147425), (170, 117940), (200, 100249), (340, 58970), (425, 47176), (680, 29485), (850, 23588), (1700, 11794), (3400, 5897)]