20820972

素因数分解:

$2^2\times 3^1\times {\mathrm{199}}^1\times {\mathrm{8719}}^1$

素因数の和:8925

約数の個数: 24

約数和(自身を含む): 48832000

約数和(自身を除く): 28011028

約数列:

[1, 2, 3, 4, 6, 12, 199, 398, 597, 796, 1194, 2388, 8719, 17438, 26157, 34876, 52314, 104628, 1735081, 3470162, 5205243, 6940324, 10410486, 20820972]

約数ペア:

[(1, 20820972), (2, 10410486), (3, 6940324), (4, 5205243), (6, 3470162), (12, 1735081), (199, 104628), (398, 52314), (597, 34876), (796, 26157), (1194, 17438), (2388, 8719)]