20109921585

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2398321}}^1$

素因数の和:2398385

約数の個数: 32

約数和(自身を含む): 35456792448

約数和(自身を除く): 15346870863

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 8385, 2398321, 7194963, 11991605, 31178173, 35974815, 93534519, 103127803, 155890865, 309383409, 467672595, 515639015, 1340661439, 1546917045, 4021984317, 6703307195, 20109921585]

約数ペア:

[(1, 20109921585), (3, 6703307195), (5, 4021984317), (13, 1546917045), (15, 1340661439), (39, 515639015), (43, 467672595), (65, 309383409), (129, 155890865), (195, 103127803), (215, 93534519), (559, 35974815), (645, 31178173), (1677, 11991605), (2795, 7194963), (8385, 2398321)]