2920243039

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1\times {\mathrm{20021}}^1$

素因数の和:20406

約数の個数: 16

約数和(自身を含む): 3398294016

約数和(自身を除く): 478050977

約数列:

[1, 7, 67, 311, 469, 2177, 20021, 20837, 140147, 145859, 1341407, 6226531, 9389849, 43585717, 417177577, 2920243039]

約数ペア:

[(1, 2920243039), (7, 417177577), (67, 43585717), (311, 9389849), (469, 6226531), (2177, 1341407), (20021, 145859), (20837, 140147)]