20452845

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27827}}^1$

素因数の和:27849

約数の個数: 24

約数和(自身を含む): 38068704

約数和(自身を除く): 17615859

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27827, 83481, 139135, 194789, 417405, 584367, 973945, 1363523, 2921835, 4090569, 6817615, 20452845]

約数ペア:

[(1, 20452845), (3, 6817615), (5, 4090569), (7, 2921835), (15, 1363523), (21, 973945), (35, 584367), (49, 417405), (105, 194789), (147, 139135), (245, 83481), (735, 27827)]