20172680645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8387809}}^1$

素因数の和:8387864

約数の個数: 16

約数和(自身を含む): 26773889520

約数和(自身を除く): 6601208875

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 8387809, 41939045, 109041517, 310348933, 545207585, 1551744665, 4034536129, 20172680645]

約数ペア:

[(1, 20172680645), (5, 4034536129), (13, 1551744665), (37, 545207585), (65, 310348933), (185, 109041517), (481, 41939045), (2405, 8387809)]