20297925

素因数分解:

$3^3\times 5^2\times {\mathrm{30071}}^1$

素因数の和:30090

約数の個数: 24

約数和(自身を含む): 37289280

約数和(自身を除く): 16991355

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 30071, 90213, 150355, 270639, 451065, 751775, 811917, 1353195, 2255325, 4059585, 6765975, 20297925]

約数ペア:

[(1, 20297925), (3, 6765975), (5, 4059585), (9, 2255325), (15, 1353195), (25, 811917), (27, 751775), (45, 451065), (75, 270639), (135, 150355), (225, 90213), (675, 30071)]