2019988780

素因数分解:

$2^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{77513}}^1$

素因数の和:78825

約数の個数: 24

約数和(自身を含む): 4245286752

約数和(自身を除く): 2225297972

約数列:

[1, 2, 4, 5, 10, 20, 1303, 2606, 5212, 6515, 13030, 26060, 77513, 155026, 310052, 387565, 775130, 1550260, 100999439, 201998878, 403997756, 504997195, 1009994390, 2019988780]

約数ペア:

[(1, 2019988780), (2, 1009994390), (4, 504997195), (5, 403997756), (10, 201998878), (20, 100999439), (1303, 1550260), (2606, 775130), (5212, 387565), (6515, 310052), (13030, 155026), (26060, 77513)]