20345087675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1\times {\mathrm{1451}}^1$

素因数の和:2300

約数の個数: 48

約数和(自身を含む): 27988101504

約数和(自身を除く): 7643013829

約数列:

[1, 5, 11, 25, 55, 67, 275, 335, 737, 761, 1451, 1675, 3685, 3805, 7255, 8371, 15961, 18425, 19025, 36275, 41855, 50987, 79805, 97217, 209275, 254935, 399025, 486085, 560857, 1069387, 1104211, 1274675, 2430425, 2804285, 5346935, 5521055, 12146321, 14021425, 26734675, 27605275, 60731605, 73982137, 303658025, 369910685, 813803507, 1849553425, 4069017535, 20345087675]

約数ペア:

[(1, 20345087675), (5, 4069017535), (11, 1849553425), (25, 813803507), (55, 369910685), (67, 303658025), (275, 73982137), (335, 60731605), (737, 27605275), (761, 26734675), (1451, 14021425), (1675, 12146321), (3685, 5521055), (3805, 5346935), (7255, 2804285), (8371, 2430425), (15961, 1274675), (18425, 1104211), (19025, 1069387), (36275, 560857), (41855, 486085), (50987, 399025), (79805, 254935), (97217, 209275)]