20727044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2003}}^1$

素因数の和:2219

約数の個数: 24

約数和(自身を含む): 39278400

約数和(自身を除く): 18551356

約数列:

[1, 2, 4, 13, 26, 52, 199, 398, 796, 2003, 2587, 4006, 5174, 8012, 10348, 26039, 52078, 104156, 398597, 797194, 1594388, 5181761, 10363522, 20727044]

約数ペア:

[(1, 20727044), (2, 10363522), (4, 5181761), (13, 1594388), (26, 797194), (52, 398597), (199, 104156), (398, 52078), (796, 26039), (2003, 10348), (2587, 8012), (4006, 5174)]