20163690075

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{75329}}^1$

素因数の和:75468

約数の個数: 48

約数和(自身を含む): 34524040320

約数和(自身を除く): 14360350245

約数列:

[1, 3, 5, 15, 25, 43, 75, 83, 129, 215, 249, 415, 645, 1075, 1245, 2075, 3225, 3569, 6225, 10707, 17845, 53535, 75329, 89225, 225987, 267675, 376645, 1129935, 1883225, 3239147, 5649675, 6252307, 9717441, 16195735, 18756921, 31261535, 48587205, 80978675, 93784605, 156307675, 242936025, 268849201, 468923025, 806547603, 1344246005, 4032738015, 6721230025, 20163690075]

約数ペア:

[(1, 20163690075), (3, 6721230025), (5, 4032738015), (15, 1344246005), (25, 806547603), (43, 468923025), (75, 268849201), (83, 242936025), (129, 156307675), (215, 93784605), (249, 80978675), (415, 48587205), (645, 31261535), (1075, 18756921), (1245, 16195735), (2075, 9717441), (3225, 6252307), (3569, 5649675), (6225, 3239147), (10707, 1883225), (17845, 1129935), (53535, 376645), (75329, 267675), (89225, 225987)]