20273073968

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{38669}}^1$

素因数の和:38866

約数の個数: 80

約数和(自身を含む): 46646538240

約数和(自身を除く): 26373464272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 151, 217, 248, 302, 434, 496, 604, 868, 1057, 1208, 1736, 2114, 2416, 3472, 4228, 4681, 8456, 9362, 16912, 18724, 32767, 37448, 38669, 65534, 74896, 77338, 131068, 154676, 262136, 270683, 309352, 524272, 541366, 618704, 1082732, 1198739, 2165464, 2397478, 4330928, 4794956, 5839019, 8391173, 9589912, 11678038, 16782346, 19179824, 23356076, 33564692, 40873133, 46712152, 67129384, 81746266, 93424304, 134258768, 163492532, 181009589, 326985064, 362019178, 653970128, 724038356, 1267067123, 1448076712, 2534134246, 2896153424, 5068268492, 10136536984, 20273073968]

約数ペア:

[(1, 20273073968), (2, 10136536984), (4, 5068268492), (7, 2896153424), (8, 2534134246), (14, 1448076712), (16, 1267067123), (28, 724038356), (31, 653970128), (56, 362019178), (62, 326985064), (112, 181009589), (124, 163492532), (151, 134258768), (217, 93424304), (248, 81746266), (302, 67129384), (434, 46712152), (496, 40873133), (604, 33564692), (868, 23356076), (1057, 19179824), (1208, 16782346), (1736, 11678038), (2114, 9589912), (2416, 8391173), (3472, 5839019), (4228, 4794956), (4681, 4330928), (8456, 2397478), (9362, 2165464), (16912, 1198739), (18724, 1082732), (32767, 618704), (37448, 541366), (38669, 524272), (65534, 309352), (74896, 270683), (77338, 262136), (131068, 154676)]