20165594995

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{333233}}^1$

素因数の和:333284

約数の個数: 48

約数和(自身を含む): 31910487840

約数和(自身を除く): 11744892845

約数列:

[1, 5, 7, 13, 19, 35, 49, 65, 91, 95, 133, 245, 247, 455, 637, 665, 931, 1235, 1729, 3185, 4655, 8645, 12103, 60515, 333233, 1666165, 2332631, 4332029, 6331427, 11663155, 16328417, 21660145, 30324203, 31657135, 44319989, 81642085, 82308551, 151621015, 212269421, 221599945, 310239923, 411542755, 576159857, 1061347105, 1551199615, 2880799285, 4033118999, 20165594995]

約数ペア:

[(1, 20165594995), (5, 4033118999), (7, 2880799285), (13, 1551199615), (19, 1061347105), (35, 576159857), (49, 411542755), (65, 310239923), (91, 221599945), (95, 212269421), (133, 151621015), (245, 82308551), (247, 81642085), (455, 44319989), (637, 31657135), (665, 30324203), (931, 21660145), (1235, 16328417), (1729, 11663155), (3185, 6331427), (4655, 4332029), (8645, 2332631), (12103, 1666165), (60515, 333233)]