20121986300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{35747}}^1$

素因数の和:36207

約数の個数: 72

約数和(自身を含む): 47133452016

約数和(自身を除く): 27011465716

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 433, 650, 866, 1300, 1732, 2165, 4330, 5629, 8660, 10825, 11258, 21650, 22516, 28145, 35747, 43300, 56290, 71494, 112580, 140725, 142988, 178735, 281450, 357470, 464711, 562900, 714940, 893675, 929422, 1787350, 1858844, 2323555, 3574700, 4647110, 9294220, 11617775, 15478451, 23235550, 30956902, 46471100, 61913804, 77392255, 154784510, 201219863, 309569020, 386961275, 402439726, 773922550, 804879452, 1006099315, 1547845100, 2012198630, 4024397260, 5030496575, 10060993150, 20121986300]

約数ペア:

[(1, 20121986300), (2, 10060993150), (4, 5030496575), (5, 4024397260), (10, 2012198630), (13, 1547845100), (20, 1006099315), (25, 804879452), (26, 773922550), (50, 402439726), (52, 386961275), (65, 309569020), (100, 201219863), (130, 154784510), (260, 77392255), (325, 61913804), (433, 46471100), (650, 30956902), (866, 23235550), (1300, 15478451), (1732, 11617775), (2165, 9294220), (4330, 4647110), (5629, 3574700), (8660, 2323555), (10825, 1858844), (11258, 1787350), (21650, 929422), (22516, 893675), (28145, 714940), (35747, 562900), (43300, 464711), (56290, 357470), (71494, 281450), (112580, 178735), (140725, 142988)]