20545083

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:313

約数の個数: 40

約数和(自身を含む): 33541200

約数和(自身を除く): 12996117

約数列:

[1, 3, 9, 13, 27, 39, 81, 109, 117, 179, 327, 351, 537, 981, 1053, 1417, 1611, 2327, 2943, 4251, 4833, 6981, 8829, 12753, 14499, 19511, 20943, 38259, 58533, 62829, 114777, 175599, 188487, 253643, 526797, 760929, 1580391, 2282787, 6848361, 20545083]

約数ペア:

[(1, 20545083), (3, 6848361), (9, 2282787), (13, 1580391), (27, 760929), (39, 526797), (81, 253643), (109, 188487), (117, 175599), (179, 114777), (327, 62829), (351, 58533), (537, 38259), (981, 20943), (1053, 19511), (1417, 14499), (1611, 12753), (2327, 8829), (2943, 6981), (4251, 4833)]