20122556500

素因数分解:

$2^2\times 5^3\times {\mathrm{47}}^1\times {\mathrm{856279}}^1$

素因数の和:856345

約数の個数: 48

約数和(自身を含む): 44882772480

約数和(自身を除く): 24760215980

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 125, 188, 235, 250, 470, 500, 940, 1175, 2350, 4700, 5875, 11750, 23500, 856279, 1712558, 3425116, 4281395, 8562790, 17125580, 21406975, 40245113, 42813950, 80490226, 85627900, 107034875, 160980452, 201225565, 214069750, 402451130, 428139500, 804902260, 1006127825, 2012255650, 4024511300, 5030639125, 10061278250, 20122556500]

約数ペア:

[(1, 20122556500), (2, 10061278250), (4, 5030639125), (5, 4024511300), (10, 2012255650), (20, 1006127825), (25, 804902260), (47, 428139500), (50, 402451130), (94, 214069750), (100, 201225565), (125, 160980452), (188, 107034875), (235, 85627900), (250, 80490226), (470, 42813950), (500, 40245113), (940, 21406975), (1175, 17125580), (2350, 8562790), (4700, 4281395), (5875, 3425116), (11750, 1712558), (23500, 856279)]