20393776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98047}}^1$

素因数の和:98068

約数の個数: 20

約数和(自身を含む): 42552832

約数和(自身を除く): 22159056

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98047, 196094, 392188, 784376, 1274611, 1568752, 2549222, 5098444, 10196888, 20393776]

約数ペア:

[(1, 20393776), (2, 10196888), (4, 5098444), (8, 2549222), (13, 1568752), (16, 1274611), (26, 784376), (52, 392188), (104, 196094), (208, 98047)]