20868018

素因数分解:

$2^1\times 3^1\times {\mathrm{307}}^1\times {\mathrm{11329}}^1$

素因数の和:11641

約数の個数: 16

約数和(自身を含む): 41875680

約数和(自身を除く): 21007662

約数列:

[1, 2, 3, 6, 307, 614, 921, 1842, 11329, 22658, 33987, 67974, 3478003, 6956006, 10434009, 20868018]

約数ペア:

[(1, 20868018), (2, 10434009), (3, 6956006), (6, 3478003), (307, 67974), (614, 33987), (921, 22658), (1842, 11329)]