20749736

素因数分解:

$2^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1231}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 46347840

約数和(自身を除く): 25598104

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 98, 172, 196, 301, 344, 392, 602, 1204, 1231, 2107, 2408, 2462, 4214, 4924, 8428, 8617, 9848, 16856, 17234, 34468, 52933, 60319, 68936, 105866, 120638, 211732, 241276, 370531, 423464, 482552, 741062, 1482124, 2593717, 2964248, 5187434, 10374868, 20749736]

約数ペア:

[(1, 20749736), (2, 10374868), (4, 5187434), (7, 2964248), (8, 2593717), (14, 1482124), (28, 741062), (43, 482552), (49, 423464), (56, 370531), (86, 241276), (98, 211732), (172, 120638), (196, 105866), (301, 68936), (344, 60319), (392, 52933), (602, 34468), (1204, 17234), (1231, 16856), (2107, 9848), (2408, 8617), (2462, 8428), (4214, 4924)]