20151872356

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2857}}^1\times {\mathrm{22901}}^1$

素因数の和:25780

約数の個数: 48

約数和(自身を含む): 43985031552

約数和(自身を除く): 23833159196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 2857, 5714, 11428, 19999, 22901, 31427, 39998, 45802, 62854, 79996, 91604, 125708, 160307, 219989, 251911, 320614, 439978, 503822, 641228, 879956, 1007644, 1763377, 3526754, 7053508, 65428157, 130856314, 261712628, 457997099, 719709727, 915994198, 1439419454, 1831988396, 2878838908, 5037968089, 10075936178, 20151872356]

約数ペア:

[(1, 20151872356), (2, 10075936178), (4, 5037968089), (7, 2878838908), (11, 1831988396), (14, 1439419454), (22, 915994198), (28, 719709727), (44, 457997099), (77, 261712628), (154, 130856314), (308, 65428157), (2857, 7053508), (5714, 3526754), (11428, 1763377), (19999, 1007644), (22901, 879956), (31427, 641228), (39998, 503822), (45802, 439978), (62854, 320614), (79996, 251911), (91604, 219989), (125708, 160307)]