20570193

素因数分解:

$3^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:193

約数の個数: 56

約数和(自身を含む): 36724800

約数和(自身を除く): 16154607

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 139, 189, 203, 243, 261, 417, 567, 609, 729, 783, 973, 1251, 1701, 1827, 2349, 2919, 3753, 4031, 5103, 5481, 7047, 8757, 11259, 12093, 16443, 21141, 26271, 28217, 33777, 36279, 49329, 78813, 84651, 101331, 108837, 147987, 236439, 253953, 326511, 709317, 761859, 979533, 2285577, 2938599, 6856731, 20570193]

約数ペア:

[(1, 20570193), (3, 6856731), (7, 2938599), (9, 2285577), (21, 979533), (27, 761859), (29, 709317), (63, 326511), (81, 253953), (87, 236439), (139, 147987), (189, 108837), (203, 101331), (243, 84651), (261, 78813), (417, 49329), (567, 36279), (609, 33777), (729, 28217), (783, 26271), (973, 21141), (1251, 16443), (1701, 12093), (1827, 11259), (2349, 8757), (2919, 7047), (3753, 5481), (4031, 5103)]