20041505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7753}}^1$

素因数の和:7816

約数の個数: 16

約数和(自身を含む): 26797824

約数和(自身を除く): 6756319

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 7753, 38765, 85283, 364391, 426415, 1821955, 4008301, 20041505]

約数ペア:

[(1, 20041505), (5, 4008301), (11, 1821955), (47, 426415), (55, 364391), (235, 85283), (517, 38765), (2585, 7753)]