12121420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{20899}}^1$

素因数の和:20937

約数の個数: 24

約数和(自身を含む): 26334000

約数和(自身を除く): 14212580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 20899, 41798, 83596, 104495, 208990, 417980, 606071, 1212142, 2424284, 3030355, 6060710, 12121420]

約数ペア:

[(1, 12121420), (2, 6060710), (4, 3030355), (5, 2424284), (10, 1212142), (20, 606071), (29, 417980), (58, 208990), (116, 104495), (145, 83596), (290, 41798), (580, 20899)]