20367340

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2969}}^1$

素因数の和:2999

約数の個数: 48

約数和(自身を含む): 49896000

約数和(自身を除く): 29528660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2969, 3430, 5938, 6860, 11876, 14845, 20783, 29690, 41566, 59380, 83132, 103915, 145481, 207830, 290962, 415660, 581924, 727405, 1018367, 1454810, 2036734, 2909620, 4073468, 5091835, 10183670, 20367340]

約数ペア:

[(1, 20367340), (2, 10183670), (4, 5091835), (5, 4073468), (7, 2909620), (10, 2036734), (14, 1454810), (20, 1018367), (28, 727405), (35, 581924), (49, 415660), (70, 290962), (98, 207830), (140, 145481), (196, 103915), (245, 83132), (343, 59380), (490, 41566), (686, 29690), (980, 20783), (1372, 14845), (1715, 11876), (2969, 6860), (3430, 5938)]