20913710

素因数分解:

$2^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{4517}}^1$

素因数の和:4987

約数の個数: 16

約数和(自身を含む): 37734336

約数和(自身を除く): 16820626

約数列:

[1, 2, 5, 10, 463, 926, 2315, 4517, 4630, 9034, 22585, 45170, 2091371, 4182742, 10456855, 20913710]

約数ペア:

[(1, 20913710), (2, 10456855), (5, 4182742), (10, 2091371), (463, 45170), (926, 22585), (2315, 9034), (4517, 4630)]