20512110250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^2\times {\mathrm{227281}}^1$

素因数の和:227336

約数の個数: 48

約数和(自身を含む): 40526198856

約数和(自身を除く): 20014088606

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 361, 475, 722, 950, 1805, 2375, 3610, 4750, 9025, 18050, 45125, 90250, 227281, 454562, 1136405, 2272810, 4318339, 5682025, 8636678, 11364050, 21591695, 28410125, 43183390, 56820250, 82048441, 107958475, 164096882, 215916950, 410242205, 539792375, 820484410, 1079584750, 2051211025, 4102422050, 10256055125, 20512110250]

約数ペア:

[(1, 20512110250), (2, 10256055125), (5, 4102422050), (10, 2051211025), (19, 1079584750), (25, 820484410), (38, 539792375), (50, 410242205), (95, 215916950), (125, 164096882), (190, 107958475), (250, 82048441), (361, 56820250), (475, 43183390), (722, 28410125), (950, 21591695), (1805, 11364050), (2375, 8636678), (3610, 5682025), (4750, 4318339), (9025, 2272810), (18050, 1136405), (45125, 454562), (90250, 227281)]