20804858745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1727261}}^1$

素因数の和:1727353

約数の個数: 32

約数和(自身を含む): 36811407744

約数和(自身を除く): 16006548999

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 165, 219, 365, 803, 1095, 2409, 4015, 12045, 1727261, 5181783, 8636305, 18999871, 25908915, 56999613, 94999355, 126090053, 284998065, 378270159, 630450265, 1386990583, 1891350795, 4160971749, 6934952915, 20804858745]

約数ペア:

[(1, 20804858745), (3, 6934952915), (5, 4160971749), (11, 1891350795), (15, 1386990583), (33, 630450265), (55, 378270159), (73, 284998065), (165, 126090053), (219, 94999355), (365, 56999613), (803, 25908915), (1095, 18999871), (2409, 8636305), (4015, 5181783), (12045, 1727261)]