20946015

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2437}}^1$

素因数の和:2639

約数の個数: 24

約数和(自身を含む): 36511488

約数和(自身を除く): 15565473

約数列:

[1, 3, 5, 9, 15, 45, 191, 573, 955, 1719, 2437, 2865, 7311, 8595, 12185, 21933, 36555, 109665, 465467, 1396401, 2327335, 4189203, 6982005, 20946015]

約数ペア:

[(1, 20946015), (3, 6982005), (5, 4189203), (9, 2327335), (15, 1396401), (45, 465467), (191, 109665), (573, 36555), (955, 21933), (1719, 12185), (2437, 8595), (2865, 7311)]