20505170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5527}}^1$

素因数の和:5594

約数の個数: 32

約数和(自身を含む): 42985728

約数和(自身を除く): 22480558

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 5527, 11054, 27635, 38689, 55270, 77378, 193445, 292931, 386890, 585862, 1464655, 2050517, 2929310, 4101034, 10252585, 20505170]

約数ペア:

[(1, 20505170), (2, 10252585), (5, 4101034), (7, 2929310), (10, 2050517), (14, 1464655), (35, 585862), (53, 386890), (70, 292931), (106, 193445), (265, 77378), (371, 55270), (530, 38689), (742, 27635), (1855, 11054), (3710, 5527)]