20988112

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45233}}^1$

素因数の和:45270

約数の個数: 20

約数和(自身を含む): 42067620

約数和(自身を除く): 21079508

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45233, 90466, 180932, 361864, 723728, 1311757, 2623514, 5247028, 10494056, 20988112]

約数ペア:

[(1, 20988112), (2, 10494056), (4, 5247028), (8, 2623514), (16, 1311757), (29, 723728), (58, 361864), (116, 180932), (232, 90466), (464, 45233)]