20714993

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1399}}^1$

素因数の和:1496

約数の個数: 16

約数和(自身を含む): 23990400

約数和(自身を除く): 3275407

約数列:

[1, 13, 17, 67, 221, 871, 1139, 1399, 14807, 18187, 23783, 93733, 309179, 1218529, 1593461, 20714993]

約数ペア:

[(1, 20714993), (13, 1593461), (17, 1218529), (67, 309179), (221, 93733), (871, 23783), (1139, 18187), (1399, 14807)]