20113680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1949}}^1$

素因数の和:2008

約数の個数: 80

約数和(自身を含む): 63835200

約数和(自身を除く): 43721520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 1949, 2064, 2580, 3440, 3898, 5160, 5847, 7796, 9745, 10320, 11694, 15592, 19490, 23388, 29235, 31184, 38980, 46776, 58470, 77960, 83807, 93552, 116940, 155920, 167614, 233880, 251421, 335228, 419035, 467760, 502842, 670456, 838070, 1005684, 1257105, 1340912, 1676140, 2011368, 2514210, 3352280, 4022736, 5028420, 6704560, 10056840, 20113680]

約数ペア:

[(1, 20113680), (2, 10056840), (3, 6704560), (4, 5028420), (5, 4022736), (6, 3352280), (8, 2514210), (10, 2011368), (12, 1676140), (15, 1340912), (16, 1257105), (20, 1005684), (24, 838070), (30, 670456), (40, 502842), (43, 467760), (48, 419035), (60, 335228), (80, 251421), (86, 233880), (120, 167614), (129, 155920), (172, 116940), (215, 93552), (240, 83807), (258, 77960), (344, 58470), (430, 46776), (516, 38980), (645, 31184), (688, 29235), (860, 23388), (1032, 19490), (1290, 15592), (1720, 11694), (1949, 10320), (2064, 9745), (2580, 7796), (3440, 5847), (3898, 5160)]