20292940

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1373}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 42703920

約数和(自身を除く): 22410980

約数列:

[1, 2, 4, 5, 10, 20, 739, 1373, 1478, 2746, 2956, 3695, 5492, 6865, 7390, 13730, 14780, 27460, 1014647, 2029294, 4058588, 5073235, 10146470, 20292940]

約数ペア:

[(1, 20292940), (2, 10146470), (4, 5073235), (5, 4058588), (10, 2029294), (20, 1014647), (739, 27460), (1373, 14780), (1478, 13730), (2746, 7390), (2956, 6865), (3695, 5492)]