20986425

素因数分解:

$3^3\times 5^2\times {\mathrm{31091}}^1$

素因数の和:31110

約数の個数: 24

約数和(自身を含む): 38554080

約数和(自身を除く): 17567655

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 31091, 93273, 155455, 279819, 466365, 777275, 839457, 1399095, 2331825, 4197285, 6995475, 20986425]

約数ペア:

[(1, 20986425), (3, 6995475), (5, 4197285), (9, 2331825), (15, 1399095), (25, 839457), (27, 777275), (45, 466365), (75, 279819), (135, 155455), (225, 93273), (675, 31091)]