20423195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{719}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 8607205

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 247, 299, 437, 719, 1235, 1495, 2185, 3595, 5681, 9347, 13661, 16537, 28405, 46735, 68305, 82685, 177593, 214981, 314203, 887965, 1074905, 1571015, 4084639, 20423195]

約数ペア:

[(1, 20423195), (5, 4084639), (13, 1571015), (19, 1074905), (23, 887965), (65, 314203), (95, 214981), (115, 177593), (247, 82685), (299, 68305), (437, 46735), (719, 28405), (1235, 16537), (1495, 13661), (2185, 9347), (3595, 5681)]