20349621903

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{617}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 30479404032

約数和(自身を除く): 10129782129

約数列:

[1, 3, 13, 39, 43, 71, 129, 213, 277, 559, 617, 831, 923, 1677, 1851, 2769, 3053, 3601, 8021, 9159, 10803, 11911, 19667, 24063, 26531, 35733, 39689, 43807, 59001, 79593, 119067, 131421, 154843, 170909, 255671, 344903, 464529, 512727, 569491, 767013, 845681, 1034709, 1708473, 1883701, 2221817, 2537043, 5651103, 6665451, 7349087, 10993853, 12134539, 22047261, 24488113, 32981559, 36403617, 73464339, 95538131, 157749007, 286614393, 473247021, 521785177, 1565355531, 6783207301, 20349621903]

約数ペア:

[(1, 20349621903), (3, 6783207301), (13, 1565355531), (39, 521785177), (43, 473247021), (71, 286614393), (129, 157749007), (213, 95538131), (277, 73464339), (559, 36403617), (617, 32981559), (831, 24488113), (923, 22047261), (1677, 12134539), (1851, 10993853), (2769, 7349087), (3053, 6665451), (3601, 5651103), (8021, 2537043), (9159, 2221817), (10803, 1883701), (11911, 1708473), (19667, 1034709), (24063, 845681), (26531, 767013), (35733, 569491), (39689, 512727), (43807, 464529), (59001, 344903), (79593, 255671), (119067, 170909), (131421, 154843)]