20580496

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67699}}^1$

素因数の和:67726

約数の個数: 20

約数和(自身を含む): 41974000

約数和(自身を除く): 21393504

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67699, 135398, 270796, 541592, 1083184, 1286281, 2572562, 5145124, 10290248, 20580496]

約数ペア:

[(1, 20580496), (2, 10290248), (4, 5145124), (8, 2572562), (16, 1286281), (19, 1083184), (38, 541592), (76, 270796), (152, 135398), (304, 67699)]