20495828

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 36503040

約数和(自身を除く): 16007212

約数列:

[1, 2, 4, 139, 191, 193, 278, 382, 386, 556, 764, 772, 26549, 26827, 36863, 53098, 53654, 73726, 106196, 107308, 147452, 5123957, 10247914, 20495828]

約数ペア:

[(1, 20495828), (2, 10247914), (4, 5123957), (139, 147452), (191, 107308), (193, 106196), (278, 73726), (382, 53654), (386, 53098), (556, 36863), (764, 26827), (772, 26549)]