20106225

素因数分解:

$3^4\times 5^2\times {\mathrm{9929}}^1$

素因数の和:9951

約数の個数: 30

約数和(自身を含む): 37247430

約数和(自身を除く): 17141205

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9929, 29787, 49645, 89361, 148935, 248225, 268083, 446805, 744675, 804249, 1340415, 2234025, 4021245, 6702075, 20106225]

約数ペア:

[(1, 20106225), (3, 6702075), (5, 4021245), (9, 2234025), (15, 1340415), (25, 804249), (27, 744675), (45, 446805), (75, 268083), (81, 248225), (135, 148935), (225, 89361), (405, 49645), (675, 29787), (2025, 9929)]