20804394

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2447}}^1$

素因数の和:2574

約数の個数: 32

約数和(自身を含む): 45239040

約数和(自身を除く): 24434646

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 218, 327, 654, 1417, 2447, 2834, 4251, 4894, 7341, 8502, 14682, 31811, 63622, 95433, 190866, 266723, 533446, 800169, 1600338, 3467399, 6934798, 10402197, 20804394]

約数ペア:

[(1, 20804394), (2, 10402197), (3, 6934798), (6, 3467399), (13, 1600338), (26, 800169), (39, 533446), (78, 266723), (109, 190866), (218, 95433), (327, 63622), (654, 31811), (1417, 14682), (2447, 8502), (2834, 7341), (4251, 4894)]