20714496790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{13903}}^1$

素因数の和:14153

約数の個数: 64

約数和(自身を含む): 40966523136

約数和(自身を除く): 20252026346

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 157, 314, 365, 730, 785, 949, 1570, 1898, 2041, 4082, 4745, 9490, 10205, 11461, 13903, 20410, 22922, 27806, 57305, 69515, 114610, 139030, 148993, 180739, 297986, 361478, 744965, 903695, 1014919, 1489930, 1807390, 2029838, 2182771, 4365542, 5074595, 10149190, 10913855, 13193947, 21827710, 26387894, 28376023, 56752046, 65969735, 131939470, 141880115, 159342283, 283760230, 318684566, 796711415, 1593422830, 2071449679, 4142899358, 10357248395, 20714496790]

約数ペア:

[(1, 20714496790), (2, 10357248395), (5, 4142899358), (10, 2071449679), (13, 1593422830), (26, 796711415), (65, 318684566), (73, 283760230), (130, 159342283), (146, 141880115), (157, 131939470), (314, 65969735), (365, 56752046), (730, 28376023), (785, 26387894), (949, 21827710), (1570, 13193947), (1898, 10913855), (2041, 10149190), (4082, 5074595), (4745, 4365542), (9490, 2182771), (10205, 2029838), (11461, 1807390), (13903, 1489930), (20410, 1014919), (22922, 903695), (27806, 744965), (57305, 361478), (69515, 297986), (114610, 180739), (139030, 148993)]