20118807890

素因数分解:

$2^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{3999763}}^1$

素因数の和:4000273

約数の個数: 16

約数和(自身を含む): 36285859008

約数和(自身を除く): 16167051118

約数列:

[1, 2, 5, 10, 503, 1006, 2515, 5030, 3999763, 7999526, 19998815, 39997630, 2011880789, 4023761578, 10059403945, 20118807890]

約数ペア:

[(1, 20118807890), (2, 10059403945), (5, 4023761578), (10, 2011880789), (503, 39997630), (1006, 19998815), (2515, 7999526), (5030, 3999763)]