20948993

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{449}}^1$

素因数の和:596

約数の個数: 16

約数和(自身を含む): 23461200

約数和(自身を除く): 2512207

約数列:

[1, 13, 37, 97, 449, 481, 1261, 3589, 5837, 16613, 43553, 46657, 215969, 566189, 1611461, 20948993]

約数ペア:

[(1, 20948993), (13, 1611461), (37, 566189), (97, 215969), (449, 46657), (481, 43553), (1261, 16613), (3589, 5837)]