20174457681

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{24799}}^1$

素因数の和:25198

約数の個数: 48

約数和(自身を含む): 34303360000

約数和(自身を除く): 14128902319

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 349, 777, 1047, 2331, 2443, 3141, 7329, 12913, 21987, 24799, 38739, 74397, 90391, 116217, 173593, 223191, 271173, 520779, 813519, 917563, 1562337, 2752689, 6422941, 8258067, 8654851, 19268823, 25964553, 57806469, 60583957, 77893659, 181751871, 320229487, 545255613, 960688461, 2241606409, 2882065383, 6724819227, 20174457681]

約数ペア:

[(1, 20174457681), (3, 6724819227), (7, 2882065383), (9, 2241606409), (21, 960688461), (37, 545255613), (63, 320229487), (111, 181751871), (259, 77893659), (333, 60583957), (349, 57806469), (777, 25964553), (1047, 19268823), (2331, 8654851), (2443, 8258067), (3141, 6422941), (7329, 2752689), (12913, 1562337), (21987, 917563), (24799, 813519), (38739, 520779), (74397, 271173), (90391, 223191), (116217, 173593)]