20852997

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{4241}}^1$

素因数の和:4404

約数の個数: 16

約数和(自身を含む): 30542400

約数和(自身を除く): 9689403

約数列:

[1, 3, 11, 33, 149, 447, 1639, 4241, 4917, 12723, 46651, 139953, 631909, 1895727, 6950999, 20852997]

約数ペア:

[(1, 20852997), (3, 6950999), (11, 1895727), (33, 631909), (149, 139953), (447, 46651), (1639, 12723), (4241, 4917)]