20125914921

素因数分解:

$3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{673}}^1\times {\mathrm{1847}}^1$

素因数の和:2790

約数の個数: 48

約数和(自身を含む): 33420651264

約数和(自身を除く): 13294736343

約数列:

[1, 3, 7, 9, 21, 63, 257, 673, 771, 1799, 1847, 2019, 2313, 4711, 5397, 5541, 6057, 12929, 14133, 16191, 16623, 38787, 42399, 116361, 172961, 474679, 518883, 1210727, 1243031, 1424037, 1556649, 3322753, 3632181, 3729093, 4272111, 8701217, 9968259, 10896543, 11187279, 26103651, 29904777, 78310953, 319458967, 958376901, 2236212769, 2875130703, 6708638307, 20125914921]

約数ペア:

[(1, 20125914921), (3, 6708638307), (7, 2875130703), (9, 2236212769), (21, 958376901), (63, 319458967), (257, 78310953), (673, 29904777), (771, 26103651), (1799, 11187279), (1847, 10896543), (2019, 9968259), (2313, 8701217), (4711, 4272111), (5397, 3729093), (5541, 3632181), (6057, 3322753), (12929, 1556649), (14133, 1424037), (16191, 1243031), (16623, 1210727), (38787, 518883), (42399, 474679), (116361, 172961)]