20104990945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1\times {\mathrm{18443}}^1$

素因数の和:19033

約数の個数: 32

約数和(自身を含む): 26870989824

約数和(自身を除く): 6765998879

約数列:

[1, 5, 13, 31, 65, 155, 403, 541, 2015, 2705, 7033, 16771, 18443, 35165, 83855, 92215, 218023, 239759, 571733, 1090115, 1198795, 2858665, 7432529, 9977663, 37162645, 49888315, 129709619, 309307553, 648548095, 1546537765, 4020998189, 20104990945]

約数ペア:

[(1, 20104990945), (5, 4020998189), (13, 1546537765), (31, 648548095), (65, 309307553), (155, 129709619), (403, 49888315), (541, 37162645), (2015, 9977663), (2705, 7432529), (7033, 2858665), (16771, 1198795), (18443, 1090115), (35165, 571733), (83855, 239759), (92215, 218023)]