20012236

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{811}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 36377600

約数和(自身を除く): 16365364

約数列:

[1, 2, 4, 31, 62, 124, 199, 398, 796, 811, 1622, 3244, 6169, 12338, 24676, 25141, 50282, 100564, 161389, 322778, 645556, 5003059, 10006118, 20012236]

約数ペア:

[(1, 20012236), (2, 10006118), (4, 5003059), (31, 645556), (62, 322778), (124, 161389), (199, 100564), (398, 50282), (796, 25141), (811, 24676), (1622, 12338), (3244, 6169)]