20201113823

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 24709017600

約数和(自身を除く): 4507903777

約数列:

[1, 11, 19, 31, 53, 89, 209, 341, 583, 589, 661, 979, 1007, 1643, 1691, 2759, 4717, 6479, 7271, 11077, 12559, 18073, 18601, 20491, 30349, 31217, 35033, 51887, 52421, 58829, 89623, 138149, 146227, 225401, 343387, 385363, 389329, 576631, 647119, 665627, 985853, 1086023, 1117751, 1608497, 1823699, 2778313, 3117937, 4282619, 7321897, 11946253, 12295261, 20060689, 20634437, 30561443, 34297307, 34650281, 59240803, 96656047, 226978807, 381153091, 651648833, 1063216517, 1836464893, 20201113823]

約数ペア:

[(1, 20201113823), (11, 1836464893), (19, 1063216517), (31, 651648833), (53, 381153091), (89, 226978807), (209, 96656047), (341, 59240803), (583, 34650281), (589, 34297307), (661, 30561443), (979, 20634437), (1007, 20060689), (1643, 12295261), (1691, 11946253), (2759, 7321897), (4717, 4282619), (6479, 3117937), (7271, 2778313), (11077, 1823699), (12559, 1608497), (18073, 1117751), (18601, 1086023), (20491, 985853), (30349, 665627), (31217, 647119), (35033, 576631), (51887, 389329), (52421, 385363), (58829, 343387), (89623, 225401), (138149, 146227)]