20043540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 67931136

約数和(自身を除く): 47887596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 53, 55, 60, 66, 90, 99, 106, 110, 132, 159, 165, 180, 191, 198, 212, 220, 265, 318, 330, 382, 396, 477, 495, 530, 573, 583, 636, 660, 764, 795, 954, 955, 990, 1060, 1146, 1166, 1590, 1719, 1749, 1908, 1910, 1980, 2101, 2292, 2332, 2385, 2865, 2915, 3180, 3438, 3498, 3820, 4202, 4770, 5247, 5730, 5830, 6303, 6876, 6996, 8404, 8595, 8745, 9540, 10123, 10494, 10505, 11460, 11660, 12606, 17190, 17490, 18909, 20246, 20988, 21010, 25212, 26235, 30369, 31515, 34380, 34980, 37818, 40492, 42020, 50615, 52470, 60738, 63030, 75636, 91107, 94545, 101230, 104940, 111353, 121476, 126060, 151845, 182214, 189090, 202460, 222706, 303690, 334059, 364428, 378180, 445412, 455535, 556765, 607380, 668118, 911070, 1002177, 1113530, 1336236, 1670295, 1822140, 2004354, 2227060, 3340590, 4008708, 5010885, 6681180, 10021770, 20043540]

約数ペア:

[(1, 20043540), (2, 10021770), (3, 6681180), (4, 5010885), (5, 4008708), (6, 3340590), (9, 2227060), (10, 2004354), (11, 1822140), (12, 1670295), (15, 1336236), (18, 1113530), (20, 1002177), (22, 911070), (30, 668118), (33, 607380), (36, 556765), (44, 455535), (45, 445412), (53, 378180), (55, 364428), (60, 334059), (66, 303690), (90, 222706), (99, 202460), (106, 189090), (110, 182214), (132, 151845), (159, 126060), (165, 121476), (180, 111353), (191, 104940), (198, 101230), (212, 94545), (220, 91107), (265, 75636), (318, 63030), (330, 60738), (382, 52470), (396, 50615), (477, 42020), (495, 40492), (530, 37818), (573, 34980), (583, 34380), (636, 31515), (660, 30369), (764, 26235), (795, 25212), (954, 21010), (955, 20988), (990, 20246), (1060, 18909), (1146, 17490), (1166, 17190), (1590, 12606), (1719, 11660), (1749, 11460), (1908, 10505), (1910, 10494), (1980, 10123), (2101, 9540), (2292, 8745), (2332, 8595), (2385, 8404), (2865, 6996), (2915, 6876), (3180, 6303), (3438, 5830), (3498, 5730), (3820, 5247), (4202, 4770)]