20148838775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1109}}^1\times {\mathrm{55903}}^1$

素因数の和:57035

約数の個数: 24

約数和(自身を含む): 26931192960

約数和(自身を除く): 6782354185

約数列:

[1, 5, 13, 25, 65, 325, 1109, 5545, 14417, 27725, 55903, 72085, 279515, 360425, 726739, 1397575, 3633695, 18168475, 61996427, 309982135, 805953551, 1549910675, 4029767755, 20148838775]

約数ペア:

[(1, 20148838775), (5, 4029767755), (13, 1549910675), (25, 805953551), (65, 309982135), (325, 61996427), (1109, 18168475), (5545, 3633695), (14417, 1397575), (27725, 726739), (55903, 360425), (72085, 279515)]