20173392291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{207821}}^1$

素因数の和:207987

約数の個数: 32

約数和(自身を含む): 30724404480

約数和(自身を除く): 10551012189

約数列:

[1, 3, 13, 19, 39, 57, 131, 247, 393, 741, 1703, 2489, 5109, 7467, 32357, 97071, 207821, 623463, 2701673, 3948599, 8105019, 11845797, 27224551, 51331787, 81673653, 153995361, 353919163, 517266469, 1061757489, 1551799407, 6724464097, 20173392291]

約数ペア:

[(1, 20173392291), (3, 6724464097), (13, 1551799407), (19, 1061757489), (39, 517266469), (57, 353919163), (131, 153995361), (247, 81673653), (393, 51331787), (741, 27224551), (1703, 11845797), (2489, 8105019), (5109, 3948599), (7467, 2701673), (32357, 623463), (97071, 207821)]