20473210040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1\times {\mathrm{769}}^1$

素因数の和:1257

約数の個数: 128

約数和(自身を含む): 48648600000

約数和(自身を除く): 28175389960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 59, 116, 118, 145, 232, 236, 290, 295, 389, 472, 580, 590, 769, 778, 1160, 1180, 1538, 1556, 1711, 1945, 2360, 3076, 3112, 3422, 3845, 3890, 6152, 6844, 7690, 7780, 8555, 11281, 13688, 15380, 15560, 17110, 22301, 22562, 22951, 30760, 34220, 44602, 45124, 45371, 45902, 56405, 68440, 89204, 90248, 90742, 91804, 111505, 112810, 114755, 178408, 181484, 183608, 223010, 225620, 226855, 229510, 299141, 362968, 446020, 451240, 453710, 459020, 598282, 665579, 892040, 907420, 918040, 1196564, 1315759, 1331158, 1495705, 1814840, 2393128, 2631518, 2662316, 2991410, 3327895, 5263036, 5324632, 5982820, 6578795, 6655790, 8675089, 10526072, 11965640, 13157590, 13311580, 17350178, 17649319, 26315180, 26623160, 34700356, 35298638, 43375445, 52630360, 69400712, 70597276, 86750890, 88246595, 141194552, 173501780, 176493190, 347003560, 352986380, 511830251, 705972760, 1023660502, 2047321004, 2559151255, 4094642008, 5118302510, 10236605020, 20473210040]

約数ペア:

[(1, 20473210040), (2, 10236605020), (4, 5118302510), (5, 4094642008), (8, 2559151255), (10, 2047321004), (20, 1023660502), (29, 705972760), (40, 511830251), (58, 352986380), (59, 347003560), (116, 176493190), (118, 173501780), (145, 141194552), (232, 88246595), (236, 86750890), (290, 70597276), (295, 69400712), (389, 52630360), (472, 43375445), (580, 35298638), (590, 34700356), (769, 26623160), (778, 26315180), (1160, 17649319), (1180, 17350178), (1538, 13311580), (1556, 13157590), (1711, 11965640), (1945, 10526072), (2360, 8675089), (3076, 6655790), (3112, 6578795), (3422, 5982820), (3845, 5324632), (3890, 5263036), (6152, 3327895), (6844, 2991410), (7690, 2662316), (7780, 2631518), (8555, 2393128), (11281, 1814840), (13688, 1495705), (15380, 1331158), (15560, 1315759), (17110, 1196564), (22301, 918040), (22562, 907420), (22951, 892040), (30760, 665579), (34220, 598282), (44602, 459020), (45124, 453710), (45371, 451240), (45902, 446020), (56405, 362968), (68440, 299141), (89204, 229510), (90248, 226855), (90742, 225620), (91804, 223010), (111505, 183608), (112810, 181484), (114755, 178408)]