20018560002

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1\times {\mathrm{21211}}^1$

素因数の和:22223

約数の個数: 64

約数和(自身を含む): 47797254144

約数和(自身を除く): 27778694142

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 977, 1954, 2931, 5862, 6839, 13678, 20517, 21211, 22471, 41034, 42422, 44942, 63633, 67413, 127266, 134826, 148477, 157297, 296954, 314594, 445431, 471891, 487853, 890862, 943782, 975706, 1463559, 2927118, 3414971, 6829942, 10244913, 20489826, 20723147, 41446294, 62169441, 124338882, 145062029, 290124058, 435186087, 476632381, 870372174, 953264762, 1429897143, 2859794286, 3336426667, 6672853334, 10009280001, 20018560002]

約数ペア:

[(1, 20018560002), (2, 10009280001), (3, 6672853334), (6, 3336426667), (7, 2859794286), (14, 1429897143), (21, 953264762), (23, 870372174), (42, 476632381), (46, 435186087), (69, 290124058), (138, 145062029), (161, 124338882), (322, 62169441), (483, 41446294), (966, 20723147), (977, 20489826), (1954, 10244913), (2931, 6829942), (5862, 3414971), (6839, 2927118), (13678, 1463559), (20517, 975706), (21211, 943782), (22471, 890862), (41034, 487853), (42422, 471891), (44942, 445431), (63633, 314594), (67413, 296954), (127266, 157297), (134826, 148477)]