20153818090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1049}}^1\times {\mathrm{39209}}^1$

素因数の和:40279

約数の個数: 48

約数和(自身を含む): 42240933000

約数和(自身を除く): 22087114910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1049, 2098, 5245, 7343, 10490, 14686, 36715, 39209, 51401, 73430, 78418, 102802, 196045, 257005, 274463, 392090, 514010, 548926, 1372315, 1921241, 2744630, 3842482, 9606205, 19212410, 41130241, 82260482, 205651205, 287911687, 411302410, 575823374, 1439558435, 2015381809, 2879116870, 4030763618, 10076909045, 20153818090]

約数ペア:

[(1, 20153818090), (2, 10076909045), (5, 4030763618), (7, 2879116870), (10, 2015381809), (14, 1439558435), (35, 575823374), (49, 411302410), (70, 287911687), (98, 205651205), (245, 82260482), (490, 41130241), (1049, 19212410), (2098, 9606205), (5245, 3842482), (7343, 2744630), (10490, 1921241), (14686, 1372315), (36715, 548926), (39209, 514010), (51401, 392090), (73430, 274463), (78418, 257005), (102802, 196045)]