20194677380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23482183}}^1$

素因数の和:23482235

約数の個数: 24

約数和(自身を含む): 43395076032

約数和(自身を除く): 23200398652

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23482183, 46964366, 93928732, 117410915, 234821830, 469643660, 1009733869, 2019467738, 4038935476, 5048669345, 10097338690, 20194677380]

約数ペア:

[(1, 20194677380), (2, 10097338690), (4, 5048669345), (5, 4038935476), (10, 2019467738), (20, 1009733869), (43, 469643660), (86, 234821830), (172, 117410915), (215, 93928732), (430, 46964366), (860, 23482183)]