20181587820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{106747}}^1$

素因数の和:106919

約数の個数: 96

約数和(自身を含む): 59396295168

約数和(自身を除く): 39214707348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 137, 138, 230, 274, 276, 345, 411, 460, 548, 685, 690, 822, 1370, 1380, 1644, 2055, 2740, 3151, 4110, 6302, 8220, 9453, 12604, 15755, 18906, 31510, 37812, 47265, 63020, 94530, 106747, 189060, 213494, 320241, 426988, 533735, 640482, 1067470, 1280964, 1601205, 2134940, 2455181, 3202410, 4910362, 6404820, 7365543, 9820724, 12275905, 14624339, 14731086, 24551810, 29248678, 29462172, 36827715, 43873017, 49103620, 58497356, 73121695, 73655430, 87746034, 146243390, 147310860, 175492068, 219365085, 292486780, 336359797, 438730170, 672719594, 877460340, 1009079391, 1345439188, 1681798985, 2018158782, 3363597970, 4036317564, 5045396955, 6727195940, 10090793910, 20181587820]

約数ペア:

[(1, 20181587820), (2, 10090793910), (3, 6727195940), (4, 5045396955), (5, 4036317564), (6, 3363597970), (10, 2018158782), (12, 1681798985), (15, 1345439188), (20, 1009079391), (23, 877460340), (30, 672719594), (46, 438730170), (60, 336359797), (69, 292486780), (92, 219365085), (115, 175492068), (137, 147310860), (138, 146243390), (230, 87746034), (274, 73655430), (276, 73121695), (345, 58497356), (411, 49103620), (460, 43873017), (548, 36827715), (685, 29462172), (690, 29248678), (822, 24551810), (1370, 14731086), (1380, 14624339), (1644, 12275905), (2055, 9820724), (2740, 7365543), (3151, 6404820), (4110, 4910362), (6302, 3202410), (8220, 2455181), (9453, 2134940), (12604, 1601205), (15755, 1280964), (18906, 1067470), (31510, 640482), (37812, 533735), (47265, 426988), (63020, 320241), (94530, 213494), (106747, 189060)]