20574267

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8233}}^1$

素因数の和:8267

約数の個数: 24

約数和(自身を含む): 33792336

約数和(自身を除く): 13218069

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 8233, 24699, 57631, 139961, 172893, 403417, 419883, 979727, 1210251, 2939181, 6858089, 20574267]

約数ペア:

[(1, 20574267), (3, 6858089), (7, 2939181), (17, 1210251), (21, 979727), (49, 419883), (51, 403417), (119, 172893), (147, 139961), (357, 57631), (833, 24699), (2499, 8233)]