20219819788

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42478613}}^1$

素因数の和:42478641

約数の個数: 24

約数和(自身を含む): 42818442912

約数和(自身を除く): 22598623124

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 42478613, 84957226, 169914452, 297350291, 594700582, 722136421, 1189401164, 1444272842, 2888545684, 5054954947, 10109909894, 20219819788]

約数ペア:

[(1, 20219819788), (2, 10109909894), (4, 5054954947), (7, 2888545684), (14, 1444272842), (17, 1189401164), (28, 722136421), (34, 594700582), (68, 297350291), (119, 169914452), (238, 84957226), (476, 42478613)]