20199521672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{572419}}^1$

素因数の和:572837

約数の個数: 32

約数和(自身を含む): 41420311200

約数和(自身を除く): 21220789528

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 401, 802, 1604, 3208, 4411, 8822, 17644, 35288, 572419, 1144838, 2289676, 4579352, 6296609, 12593218, 25186436, 50372872, 229540019, 459080038, 918160076, 1836320152, 2524940209, 5049880418, 10099760836, 20199521672]

約数ペア:

[(1, 20199521672), (2, 10099760836), (4, 5049880418), (8, 2524940209), (11, 1836320152), (22, 918160076), (44, 459080038), (88, 229540019), (401, 50372872), (802, 25186436), (1604, 12593218), (3208, 6296609), (4411, 4579352), (8822, 2289676), (17644, 1144838), (35288, 572419)]