20356995

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^2\times {\mathrm{197}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 33135696

約数和(自身を除く): 12778701

約数列:

[1, 3, 5, 15, 83, 197, 249, 415, 591, 985, 1245, 2955, 6889, 16351, 20667, 34445, 49053, 81755, 103335, 245265, 1357133, 4071399, 6785665, 20356995]

約数ペア:

[(1, 20356995), (3, 6785665), (5, 4071399), (15, 1357133), (83, 245265), (197, 103335), (249, 81755), (415, 49053), (591, 34445), (985, 20667), (1245, 16351), (2955, 6889)]