20768156985

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32198693}}^1$

素因数の和:32198744

約数の個数: 16

約数和(自身を含む): 34001820864

約数和(自身を除く): 13233663879

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 32198693, 96596079, 160993465, 482980395, 1384543799, 4153631397, 6922718995, 20768156985]

約数ペア:

[(1, 20768156985), (3, 6922718995), (5, 4153631397), (15, 1384543799), (43, 482980395), (129, 160993465), (215, 96596079), (645, 32198693)]