20137534851

素因数分解:

$3^1\times 7^2\times {\mathrm{641}}^1\times {\mathrm{213713}}^1$

素因数の和:214371

約数の個数: 24

約数和(自身を含む): 31282600464

約数和(自身を除く): 11145065613

約数列:

[1, 3, 7, 21, 49, 147, 641, 1923, 4487, 13461, 31409, 94227, 213713, 641139, 1495991, 4487973, 10471937, 31415811, 136990033, 410970099, 958930231, 2876790693, 6712511617, 20137534851]

約数ペア:

[(1, 20137534851), (3, 6712511617), (7, 2876790693), (21, 958930231), (49, 410970099), (147, 136990033), (641, 31415811), (1923, 10471937), (4487, 4487973), (13461, 1495991), (31409, 641139), (94227, 213713)]