20763649445

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{20719}}^1$

素因数の和:20898

約数の個数: 64

約数和(自身を含む): 32939827200

約数和(自身を除く): 12176177755

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 137, 209, 385, 665, 685, 959, 1045, 1463, 1507, 2603, 4795, 7315, 7535, 10549, 13015, 18221, 20719, 28633, 52745, 91105, 103595, 143165, 145033, 200431, 227909, 393661, 725165, 1002155, 1139545, 1595363, 1968305, 2755627, 2838503, 4330271, 7976815, 13778135, 14192515, 19869521, 21651355, 30311897, 31223533, 53931557, 99347605, 151559485, 156117665, 218564731, 269657785, 377520899, 593247127, 1092823655, 1887604495, 2966235635, 4152729889, 20763649445]

約数ペア:

[(1, 20763649445), (5, 4152729889), (7, 2966235635), (11, 1887604495), (19, 1092823655), (35, 593247127), (55, 377520899), (77, 269657785), (95, 218564731), (133, 156117665), (137, 151559485), (209, 99347605), (385, 53931557), (665, 31223533), (685, 30311897), (959, 21651355), (1045, 19869521), (1463, 14192515), (1507, 13778135), (2603, 7976815), (4795, 4330271), (7315, 2838503), (7535, 2755627), (10549, 1968305), (13015, 1595363), (18221, 1139545), (20719, 1002155), (28633, 725165), (52745, 393661), (91105, 227909), (103595, 200431), (143165, 145033)]