20261567105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{41903}}^1$

素因数の和:42137

約数の個数: 32

約数和(自身を含む): 26948630016

約数和(自身を除く): 6687062911

約数列:

[1, 5, 13, 43, 65, 173, 215, 559, 865, 2249, 2795, 7439, 11245, 37195, 41903, 96707, 209515, 483535, 544739, 1801829, 2723695, 7249219, 9009145, 23423777, 36246095, 94239847, 117118885, 311716417, 471199235, 1558582085, 4052313421, 20261567105]

約数ペア:

[(1, 20261567105), (5, 4052313421), (13, 1558582085), (43, 471199235), (65, 311716417), (173, 117118885), (215, 94239847), (559, 36246095), (865, 23423777), (2249, 9009145), (2795, 7249219), (7439, 2723695), (11245, 1801829), (37195, 544739), (41903, 483535), (96707, 209515)]