20003368

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4639}}^1$

素因数の和:4670

約数の個数: 48

約数和(自身を含む): 47606400

約数和(自身を除く): 27603032

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4639, 9278, 18556, 32473, 37112, 51029, 64946, 102058, 129892, 204116, 227311, 259784, 357203, 408232, 454622, 714406, 909244, 1428812, 1818488, 2500421, 2857624, 5000842, 10001684, 20003368]

約数ペア:

[(1, 20003368), (2, 10001684), (4, 5000842), (7, 2857624), (8, 2500421), (11, 1818488), (14, 1428812), (22, 909244), (28, 714406), (44, 454622), (49, 408232), (56, 357203), (77, 259784), (88, 227311), (98, 204116), (154, 129892), (196, 102058), (308, 64946), (392, 51029), (539, 37112), (616, 32473), (1078, 18556), (2156, 9278), (4312, 4639)]