20281501472271

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{653}}^1\times {\mathrm{90529}}^1$

素因数の和:91680

約数の個数: 64

約数和(自身を含む): 30768496281600

約数和(自身を除く): 10486994809329

約数列:

[1, 3, 13, 19, 39, 57, 247, 463, 653, 741, 1389, 1959, 6019, 8489, 8797, 12407, 18057, 25467, 26391, 37221, 90529, 114361, 161291, 271587, 302339, 343083, 483873, 907017, 1176877, 1720051, 3530631, 3930407, 5160153, 5744441, 11791221, 17233323, 22360663, 41914927, 59115437, 67081989, 74677733, 125744781, 177346311, 224033199, 544894051, 768500681, 796383613, 1123193303, 1634682153, 2305502043, 2389150839, 3369579909, 10352986969, 14601512939, 27370447331, 31058960907, 43804538817, 82111341993, 355815815303, 520038499289, 1067447445909, 1560115497867, 6760500490757, 20281501472271]

約数ペア:

[(1, 20281501472271), (3, 6760500490757), (13, 1560115497867), (19, 1067447445909), (39, 520038499289), (57, 355815815303), (247, 82111341993), (463, 43804538817), (653, 31058960907), (741, 27370447331), (1389, 14601512939), (1959, 10352986969), (6019, 3369579909), (8489, 2389150839), (8797, 2305502043), (12407, 1634682153), (18057, 1123193303), (25467, 796383613), (26391, 768500681), (37221, 544894051), (90529, 224033199), (114361, 177346311), (161291, 125744781), (271587, 74677733), (302339, 67081989), (343083, 59115437), (483873, 41914927), (907017, 22360663), (1176877, 17233323), (1720051, 11791221), (3530631, 5744441), (3930407, 5160153)]