20202940

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5839}}^1$

素因数の和:6021

約数の個数: 24

約数和(自身を含む): 42678720

約数和(自身を除く): 22475780

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5839, 11678, 23356, 29195, 58390, 116780, 1010147, 2020294, 4040588, 5050735, 10101470, 20202940]

約数ペア:

[(1, 20202940), (2, 10101470), (4, 5050735), (5, 4040588), (10, 2020294), (20, 1010147), (173, 116780), (346, 58390), (692, 29195), (865, 23356), (1730, 11678), (3460, 5839)]