20955248

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{3299}}^1$

素因数の和:3704

約数の個数: 20

約数和(自身を含む): 40715400

約数和(自身を除く): 19760152

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 3299, 6352, 6598, 13196, 26392, 52784, 1309703, 2619406, 5238812, 10477624, 20955248]

約数ペア:

[(1, 20955248), (2, 10477624), (4, 5238812), (8, 2619406), (16, 1309703), (397, 52784), (794, 26392), (1588, 13196), (3176, 6598), (3299, 6352)]