20528200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 192

約数和(自身を含む): 62853120

約数和(自身を除く): 42324920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 31, 35, 40, 43, 44, 50, 55, 56, 62, 70, 77, 86, 88, 100, 110, 124, 140, 154, 155, 172, 175, 200, 215, 217, 220, 248, 275, 280, 301, 308, 310, 341, 344, 350, 385, 430, 434, 440, 473, 550, 602, 616, 620, 682, 700, 770, 775, 860, 868, 946, 1075, 1085, 1100, 1204, 1240, 1333, 1364, 1400, 1505, 1540, 1550, 1705, 1720, 1736, 1892, 1925, 2150, 2170, 2200, 2365, 2387, 2408, 2666, 2728, 3010, 3080, 3100, 3311, 3410, 3784, 3850, 4300, 4340, 4730, 4774, 5332, 5425, 6020, 6200, 6622, 6665, 6820, 7525, 7700, 8525, 8600, 8680, 9331, 9460, 9548, 10664, 10850, 11825, 11935, 12040, 13244, 13330, 13640, 14663, 15050, 15400, 16555, 17050, 18662, 18920, 19096, 21700, 23650, 23870, 26488, 26660, 29326, 30100, 33110, 33325, 34100, 37324, 43400, 46655, 47300, 47740, 53320, 58652, 59675, 60200, 66220, 66650, 68200, 73315, 74648, 82775, 93310, 94600, 95480, 102641, 117304, 119350, 132440, 133300, 146630, 165550, 186620, 205282, 233275, 238700, 266600, 293260, 331100, 366575, 373240, 410564, 466550, 477400, 513205, 586520, 662200, 733150, 821128, 933100, 1026410, 1466300, 1866200, 2052820, 2566025, 2932600, 4105640, 5132050, 10264100, 20528200]

約数ペア:

[(1, 20528200), (2, 10264100), (4, 5132050), (5, 4105640), (7, 2932600), (8, 2566025), (10, 2052820), (11, 1866200), (14, 1466300), (20, 1026410), (22, 933100), (25, 821128), (28, 733150), (31, 662200), (35, 586520), (40, 513205), (43, 477400), (44, 466550), (50, 410564), (55, 373240), (56, 366575), (62, 331100), (70, 293260), (77, 266600), (86, 238700), (88, 233275), (100, 205282), (110, 186620), (124, 165550), (140, 146630), (154, 133300), (155, 132440), (172, 119350), (175, 117304), (200, 102641), (215, 95480), (217, 94600), (220, 93310), (248, 82775), (275, 74648), (280, 73315), (301, 68200), (308, 66650), (310, 66220), (341, 60200), (344, 59675), (350, 58652), (385, 53320), (430, 47740), (434, 47300), (440, 46655), (473, 43400), (550, 37324), (602, 34100), (616, 33325), (620, 33110), (682, 30100), (700, 29326), (770, 26660), (775, 26488), (860, 23870), (868, 23650), (946, 21700), (1075, 19096), (1085, 18920), (1100, 18662), (1204, 17050), (1240, 16555), (1333, 15400), (1364, 15050), (1400, 14663), (1505, 13640), (1540, 13330), (1550, 13244), (1705, 12040), (1720, 11935), (1736, 11825), (1892, 10850), (1925, 10664), (2150, 9548), (2170, 9460), (2200, 9331), (2365, 8680), (2387, 8600), (2408, 8525), (2666, 7700), (2728, 7525), (3010, 6820), (3080, 6665), (3100, 6622), (3311, 6200), (3410, 6020), (3784, 5425), (3850, 5332), (4300, 4774), (4340, 4730)]