20577596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1289}}^1$

素因数の和:1613

約数の個数: 24

約数和(自身を含む): 38937360

約数和(自身を除く): 18359764

約数列:

[1, 2, 4, 13, 26, 52, 307, 614, 1228, 1289, 2578, 3991, 5156, 7982, 15964, 16757, 33514, 67028, 395723, 791446, 1582892, 5144399, 10288798, 20577596]

約数ペア:

[(1, 20577596), (2, 10288798), (4, 5144399), (13, 1582892), (26, 791446), (52, 395723), (307, 67028), (614, 33514), (1228, 16757), (1289, 15964), (2578, 7982), (3991, 5156)]