20085519008

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{277363}}^1$

素因数の和:277477

約数の個数: 48

約数和(自身を含む): 41378270976

約数和(自身を除く): 21292751968

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 73, 124, 146, 248, 292, 496, 584, 992, 1168, 2263, 2336, 4526, 9052, 18104, 36208, 72416, 277363, 554726, 1109452, 2218904, 4437808, 8598253, 8875616, 17196506, 20247499, 34393012, 40494998, 68786024, 80989996, 137572048, 161979992, 275144096, 323959984, 627672469, 647919968, 1255344938, 2510689876, 5021379752, 10042759504, 20085519008]

約数ペア:

[(1, 20085519008), (2, 10042759504), (4, 5021379752), (8, 2510689876), (16, 1255344938), (31, 647919968), (32, 627672469), (62, 323959984), (73, 275144096), (124, 161979992), (146, 137572048), (248, 80989996), (292, 68786024), (496, 40494998), (584, 34393012), (992, 20247499), (1168, 17196506), (2263, 8875616), (2336, 8598253), (4526, 4437808), (9052, 2218904), (18104, 1109452), (36208, 554726), (72416, 277363)]