20199541689

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{7477}}^1$

素因数の和:7958

約数の個数: 48

約数和(自身を含む): 31506668544

約数和(自身を除く): 11307126855

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 421, 713, 1263, 2139, 3789, 6417, 7477, 9683, 13051, 22431, 29049, 39153, 67293, 87147, 117459, 171971, 231787, 300173, 515913, 695361, 900519, 1547739, 2086083, 2701557, 3147817, 5331101, 9443451, 15993303, 28330353, 47979909, 72399791, 97582327, 217199373, 292746981, 651598119, 878240943, 2244393521, 6733180563, 20199541689]

約数ペア:

[(1, 20199541689), (3, 6733180563), (9, 2244393521), (23, 878240943), (31, 651598119), (69, 292746981), (93, 217199373), (207, 97582327), (279, 72399791), (421, 47979909), (713, 28330353), (1263, 15993303), (2139, 9443451), (3789, 5331101), (6417, 3147817), (7477, 2701557), (9683, 2086083), (13051, 1547739), (22431, 900519), (29049, 695361), (39153, 515913), (67293, 300173), (87147, 231787), (117459, 171971)]