20280491319

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{6547}}^1$

素因数の和:6700

約数の個数: 64

約数和(自身を含む): 31530977280

約数和(自身を除く): 11250485961

約数列:

[1, 3, 11, 33, 37, 43, 59, 111, 129, 177, 407, 473, 649, 1221, 1419, 1591, 1947, 2183, 2537, 4773, 6547, 6549, 7611, 17501, 19641, 24013, 27907, 52503, 72017, 72039, 83721, 93869, 216051, 242239, 281521, 281607, 386273, 726717, 844563, 1032559, 1158819, 2664629, 3096731, 3097677, 4249003, 7993887, 9290193, 10416277, 12747009, 14292101, 16609739, 31248831, 42876303, 49829217, 114579047, 157213111, 182707129, 343737141, 471639333, 548121387, 614560343, 1843681029, 6760163773, 20280491319]

約数ペア:

[(1, 20280491319), (3, 6760163773), (11, 1843681029), (33, 614560343), (37, 548121387), (43, 471639333), (59, 343737141), (111, 182707129), (129, 157213111), (177, 114579047), (407, 49829217), (473, 42876303), (649, 31248831), (1221, 16609739), (1419, 14292101), (1591, 12747009), (1947, 10416277), (2183, 9290193), (2537, 7993887), (4773, 4249003), (6547, 3097677), (6549, 3096731), (7611, 2664629), (17501, 1158819), (19641, 1032559), (24013, 844563), (27907, 726717), (52503, 386273), (72017, 281607), (72039, 281521), (83721, 242239), (93869, 216051)]