20459108120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2021651}}^1$

素因数の和:2021696

約数の個数: 64

約数和(自身を含む): 52401219840

約数和(自身を除く): 31942111720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 2021651, 4043302, 8086604, 10108255, 16173208, 20216510, 22238161, 40433020, 44476322, 46497973, 80866040, 88952644, 92995946, 111190805, 177905288, 185991892, 222381610, 232489865, 371983784, 444763220, 464979730, 511477703, 889526440, 929959460, 1022955406, 1859918920, 2045910812, 2557388515, 4091821624, 5114777030, 10229554060, 20459108120]

約数ペア:

[(1, 20459108120), (2, 10229554060), (4, 5114777030), (5, 4091821624), (8, 2557388515), (10, 2045910812), (11, 1859918920), (20, 1022955406), (22, 929959460), (23, 889526440), (40, 511477703), (44, 464979730), (46, 444763220), (55, 371983784), (88, 232489865), (92, 222381610), (110, 185991892), (115, 177905288), (184, 111190805), (220, 92995946), (230, 88952644), (253, 80866040), (440, 46497973), (460, 44476322), (506, 40433020), (920, 22238161), (1012, 20216510), (1265, 16173208), (2024, 10108255), (2530, 8086604), (5060, 4043302), (10120, 2021651)]