20328438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3299}}^1$

素因数の和:3396

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 24023562

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 237, 474, 1027, 2054, 3081, 3299, 6162, 6598, 9897, 19794, 42887, 85774, 128661, 257322, 260621, 521242, 781863, 1563726, 3388073, 6776146, 10164219, 20328438]

約数ペア:

[(1, 20328438), (2, 10164219), (3, 6776146), (6, 3388073), (13, 1563726), (26, 781863), (39, 521242), (78, 260621), (79, 257322), (158, 128661), (237, 85774), (474, 42887), (1027, 19794), (2054, 9897), (3081, 6598), (3299, 6162)]