20895308

素因数分解:

$2^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1861}}^1$

素因数の和:2273

約数の個数: 24

約数和(自身を含む): 41917344

約数和(自身を除く): 21022036

約数列:

[1, 2, 4, 7, 14, 28, 401, 802, 1604, 1861, 2807, 3722, 5614, 7444, 11228, 13027, 26054, 52108, 746261, 1492522, 2985044, 5223827, 10447654, 20895308]

約数ペア:

[(1, 20895308), (2, 10447654), (4, 5223827), (7, 2985044), (14, 1492522), (28, 746261), (401, 52108), (802, 26054), (1604, 13027), (1861, 11228), (2807, 7444), (3722, 5614)]