20642306520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{363677}}^1$

素因数の和:363745

約数の個数: 128

約数和(自身を含む): 69127914240

約数和(自身を除く): 48485607720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 344, 430, 440, 473, 516, 645, 660, 860, 946, 1032, 1290, 1320, 1419, 1720, 1892, 2365, 2580, 2838, 3784, 4730, 5160, 5676, 7095, 9460, 11352, 14190, 18920, 28380, 56760, 363677, 727354, 1091031, 1454708, 1818385, 2182062, 2909416, 3636770, 4000447, 4364124, 5455155, 7273540, 8000894, 8728248, 10910310, 12001341, 14547080, 15638111, 16001788, 20002235, 21820620, 24002682, 31276222, 32003576, 40004470, 43641240, 46914333, 48005364, 60006705, 62552444, 78190555, 80008940, 93828666, 96010728, 120013410, 125104888, 156381110, 160017880, 172019221, 187657332, 234571665, 240026820, 312762220, 344038442, 375314664, 469143330, 480053640, 516057663, 625524440, 688076884, 860096105, 938286660, 1032115326, 1376153768, 1720192210, 1876573320, 2064230652, 2580288315, 3440384420, 4128461304, 5160576630, 6880768840, 10321153260, 20642306520]

約数ペア:

[(1, 20642306520), (2, 10321153260), (3, 6880768840), (4, 5160576630), (5, 4128461304), (6, 3440384420), (8, 2580288315), (10, 2064230652), (11, 1876573320), (12, 1720192210), (15, 1376153768), (20, 1032115326), (22, 938286660), (24, 860096105), (30, 688076884), (33, 625524440), (40, 516057663), (43, 480053640), (44, 469143330), (55, 375314664), (60, 344038442), (66, 312762220), (86, 240026820), (88, 234571665), (110, 187657332), (120, 172019221), (129, 160017880), (132, 156381110), (165, 125104888), (172, 120013410), (215, 96010728), (220, 93828666), (258, 80008940), (264, 78190555), (330, 62552444), (344, 60006705), (430, 48005364), (440, 46914333), (473, 43641240), (516, 40004470), (645, 32003576), (660, 31276222), (860, 24002682), (946, 21820620), (1032, 20002235), (1290, 16001788), (1320, 15638111), (1419, 14547080), (1720, 12001341), (1892, 10910310), (2365, 8728248), (2580, 8000894), (2838, 7273540), (3784, 5455155), (4730, 4364124), (5160, 4000447), (5676, 3636770), (7095, 2909416), (9460, 2182062), (11352, 1818385), (14190, 1454708), (18920, 1091031), (28380, 727354), (56760, 363677)]