20518372233

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{500729}}^1$

素因数の和:500921

約数の個数: 24

約数和(自身を含む): 30854982600

約数和(自身を除く): 10336610367

約数列:

[1, 3, 9, 29, 87, 157, 261, 471, 1413, 4553, 13659, 40977, 500729, 1502187, 4506561, 14521141, 43563423, 78614453, 130690269, 235843359, 707530077, 2279819137, 6839457411, 20518372233]

約数ペア:

[(1, 20518372233), (3, 6839457411), (9, 2279819137), (29, 707530077), (87, 235843359), (157, 130690269), (261, 78614453), (471, 43563423), (1413, 14521141), (4553, 4506561), (13659, 1502187), (40977, 500729)]