20189917244

素因数分解:

$2^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1109}}^1\times {\mathrm{1303}}^1$

素因数の和:2922

約数の個数: 48

約数和(自身を含む): 40528320000

約数和(自身を除く): 20338402756

約数列:

[1, 2, 4, 7, 14, 28, 499, 998, 1109, 1303, 1996, 2218, 2606, 3493, 4436, 5212, 6986, 7763, 9121, 13972, 15526, 18242, 31052, 36484, 553391, 650197, 1106782, 1300394, 1445027, 2213564, 2600788, 2890054, 3873737, 4551379, 5780108, 7747474, 9102758, 10115189, 15494948, 18205516, 20230378, 40460756, 721068473, 1442136946, 2884273892, 5047479311, 10094958622, 20189917244]

約数ペア:

[(1, 20189917244), (2, 10094958622), (4, 5047479311), (7, 2884273892), (14, 1442136946), (28, 721068473), (499, 40460756), (998, 20230378), (1109, 18205516), (1303, 15494948), (1996, 10115189), (2218, 9102758), (2606, 7747474), (3493, 5780108), (4436, 4551379), (5212, 3873737), (6986, 2890054), (7763, 2600788), (9121, 2213564), (13972, 1445027), (15526, 1300394), (18242, 1106782), (31052, 650197), (36484, 553391)]