20731528084

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{719}}^1\times {\mathrm{424027}}^1$

素因数の和:424767

約数の個数: 24

約数和(自身を含む): 38467820160

約数和(自身を除く): 17736292076

約数列:

[1, 2, 4, 17, 34, 68, 719, 1438, 2876, 12223, 24446, 48892, 424027, 848054, 1696108, 7208459, 14416918, 28833836, 304875413, 609750826, 1219501652, 5182882021, 10365764042, 20731528084]

約数ペア:

[(1, 20731528084), (2, 10365764042), (4, 5182882021), (17, 1219501652), (34, 609750826), (68, 304875413), (719, 28833836), (1438, 14416918), (2876, 7208459), (12223, 1696108), (24446, 848054), (48892, 424027)]